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How to Use USPTO TSDR: Check Trademark Status & Documents
TSDR (Trademark Status and Document Retrieval) is the USPTO's free system for checking where a U.S. trademark application or registration stands and reading every document in its file. Enter a serial or registration number at tsdr.uspto.gov, then use the Status, Documents and Maintenance views.
This guide walks through each step, explains what common statuses mean, and shows how TSDR differs from Trademark Search and Trademark Center.
What do you want to do?
- Check trademark statusFind your application and read where it stands.
- View USPTO documentsRead office actions, responses and filings.
- Understand deadlinesLearn which dates require action.
- Pick the right USPTO toolTSDR vs. Trademark Search vs. Trademark Center.
A Wysebridge guide, not a USPTO search. The buttons open the official USPTO tools in a new tab.
What Is USPTO TSDR?
TSDR is where you go when you already know which trademark you care about and want its complete, current record.
Once you have found a trademark in the USPTO Trademark Search system, the next question is almost always: what is happening with it right now? For that you use TSDR. Where Trademark Search finds marks across the register, TSDR gives you the file on a single mark: its live status, the dates that matter, and the documents exchanged with the USPTO.
Trademark Search answers "does a similar mark exist?" TSDR answers "what is the full story of this mark?" TSDR has three views:
- Status: a summary of where the mark stands, plus its prosecution history.
- Documents: the complete prosecution file.
- Maintenance: for registered marks, the next post-registration filing required.
TSDR also shows international registrations and applications for international registration filed through the United States under the Madrid system. Applicants, attorneys, paralegals and anyone researching a mark use it daily; learning to read it is how a serial number becomes a clear picture of where an application stands and what happens next.
How to Check Trademark Status Using TSDR
Seven steps, from finding your number to checking a registration's maintenance deadlines.
Step 1 — Find Your Trademark Serial Number
Every U.S. trademark application gets an eight-digit serial number when it is filed. Find it on your filing receipt or any USPTO correspondence, or look the mark up in Trademark Search if you only know its name or owner.
Places to find it:
- The filing receipt or confirmation the USPTO sends after you file.
- Any USPTO email or letter about the application, including office actions.
- Your filings in Trademark Center.
- The record itself in Trademark Search, if you only know the mark or the owner.
Once a mark registers it also gets a registration number, which you can use instead. TSDR also accepts reference numbers and, for marks filed through the Madrid Protocol, international registration numbers.
What it means: an example
From July 18, 2026 the USPTO began issuing a new range of serial numbers beginning with 50 for applications filed under sections 1 or 44. Earlier applications have serial numbers in older ranges, and Madrid Protocol records keep their own series. All are eight digits.
Common mistake
Typing a registration number while the lookup is set to a serial number, or adding spaces, commas or letters such as "SN". Enter the digits only.
Step 2 — Open the Official TSDR Website
Go to tsdr.uspto.gov. TSDR is free, public and read-only: you do not need a USPTO.gov account to look up a record.
Open tsdr.uspto.gov (opens in a new tab) directly. You can also reach a record by clicking a result in Trademark Search.
On screen: TSDR's lookup page at tsdr.uspto.gov. There is no sign-in and no search by mark name here.
- Choose the type of number you have
- Enter the number, digits only
- Open the Status or Documents view
Common mistake
Using a look-alike site. Commercial services and solicitations sometimes copy USPTO records; the official system is on uspto.gov and is free.
Step 3 — Enter the Serial or Registration Number
Choose the type of number you have, type the digits with no spaces or commas, and select Status to see where the record stands or Documents to open its file.
Pick the option for a U.S. serial, registration or reference number, or the international registration option for a Madrid record. Then choose a view:
- Status for the current position and the prosecution history.
- Documents for the file itself.
- Maintenance for a registered mark's next required filing.
On screen: Looking up a pending application by its eight-digit serial number.
- U.S. serial, registration or reference number option
- Eight-digit serial number
- Status button
On screen: Once a mark registers you can look it up by its registration number instead.
- Registration number
- Maintenance button, for registered marks
Common mistake
Expecting a name search. If you do not have a number, find the record in Trademark Search first.
Step 4 — Read the Trademark Status
Start at the top of the Status view: the live or dead descriptor, the detailed status and the status date tell you what happened most recently. Then check the mark, owner and goods and services below.
The fields that matter most:
- Status descriptor: a short common format, LIVE or DEAD / APPLICATION or REGISTRATION / stage, used by the major trademark offices.
- Status and status date: a more detailed description such as registered, pending, abandoned or suspended, with the date it took effect.
- Mark information: the mark itself and whether it is a standard-character mark or a design.
- Goods and services: what the mark covers, grouped by international class, with the filing basis.
- Owner and correspondent: the current owner of record and the attorney or address on file.
- Prosecution history: a dated list of every event, covered in the next step.
For a fuller breakdown of each stage, use the status decoder below or our guide to trademark status meanings in TSDR.
On screen: The top of the Status view answers two questions first: is the record live or dead, and what happened most recently.
- Mark and serial / registration numbers
- Live or dead descriptor (TM5 common status)
- Detailed status
- Status date
On screen: Mark information and the owner and correspondent of record. Check these before relying on who owns a mark.
- Mark type and literal element
- Current owner of record
- Attorney or correspondent
On screen: Goods and services, grouped by international class, with the filing basis for each.
- International class
- Identification of goods or services
- Filing basis (use, intent to use, foreign)
What it means: an example
A record showing
LIVE/APPLICATION/Awaiting Examination
is a pending application that the USPTO has accepted as meeting the minimum filing requirements but has not yet assigned to an examining attorney. It is live, but nothing has been examined or approved yet.Common mistake
Reading LIVE as registered. A pending application is LIVE too; only a registration number, a registration date and a registered status mean the mark has registered.
Step 5 — Review the Prosecution History
Open the prosecution history to see every recorded event in date order, from filing through examination, publication and registration. Read it from the newest entry back.
Each line pairs a date with an event, such as the application being filed, assigned to an examiner, an office action being sent, a response being received, publication, or registration. Matching an event to the document filed or issued on the same date in the Documents view tells you what actually happened.
On screen: The prosecution history lists every recorded event by date. Read it from the most recent entry back.
- Event date
- Event description
What it means: an example
An entry for a non-final action followed weeks later by a response received, then approval for publication, tells you the examining attorney raised an issue and the applicant's response resolved it.
Common mistake
Treating the history as the whole story. It names events; the reasons are in the documents themselves.
Step 6 — Open and Download Trademark Documents
Select Documents to see the file wrapper: the application, drawing, specimens, office actions, responses, notices and registration certificate. Open any document to read it and save a copy.
Documents are listed by date with their type. Open one to read it in the browser, and use the download options to save the documents you need. Save a copy of anything you rely on, since the record will keep changing.
On screen: The Documents view is the file wrapper: every paper the USPTO and the applicant exchanged, newest first.
- Document date
- Document type, such as Offc Action Outgoing
- Open a document
- Download controls
Common mistake
Assuming a filing you just made will appear at once. New documents can take several business days to show up.
Which documents matter most?
- Application and drawing: what was applied for, exactly as filed.
- Specimen: the evidence showing the mark in use.
- Office actions: the examining attorney's refusals and requirements.
- Responses: the applicant's arguments and amendments.
- Notices: publication, allowance and abandonment notices, each with dates that start or end a period.
- Registration certificate: issued when the mark registers.
Step 7 — Check Maintenance Requirements
For a registered mark, enter the registration number and select Maintenance. TSDR shows the next maintenance filing required and when it is due.
The Maintenance view shows the next maintenance filing required and the period in which it must be filed. It only applies once a mark is registered. For every deadline, fee and a calculator, see our trademark renewal and maintenance guide.
On screen: The Maintenance view shows the next post-registration filing and when it is due.
- Next maintenance filing required
- Filing window
Common mistake
Confusing the two kinds of deadline. An office action response deadline applies while an application is being examined; maintenance deadlines apply to a registration and run from the registration date.
Understanding Common TSDR Trademark Statuses
TSDR shows two layers of status. The common status descriptor uses a format shared by the major trademark offices (the TM5): LIVE or DEAD, then APPLICATION or REGISTRATION, then the stage. Below it, the status line describes the latest event in more detail. Wording varies from record to record, so the decoder matches on the words you see rather than on exact phrases.
Wysebridge Trademark Status Decoder
All 12 statuses shown.
Awaiting examinationLIVE/APPLICATION
Look for:
Awaiting Examination
,new application
,not yet assigned to an examiner
- What it means
- The USPTO accepted the application as meeting the minimum filing requirements, and it has not yet been assigned to an examining attorney.
- What to check next
- Confirm the filing date, owner and goods and services are what you filed.
- Check that the correspondence email of record is one you monitor.
- Recheck at least every three to four months, as the USPTO recommends.
- Watch out
- No examination has happened yet. A clean status at this stage says nothing about whether the mark will be approved.
Under examinationLIVE/APPLICATION
Look for:
Under Examination
,assigned to examiner
- What it means
- An examining attorney has the application and is reviewing it.
- What to check next
- Watch the Documents view for an outgoing office action or an approval.
- Keep monitoring the correspondence email of record.
- Watch out
- Being assigned to an examiner is not an approval.
Office action issuedLIVE/APPLICATION
Look for:
non-final action
,office action
,Offc Action Outgoing (Documents view)
- What it means
- The examining attorney sent a letter raising one or more refusals or requirements that must be answered for the application to move forward.
- What to check next
- Open the office action in the Documents view and read every refusal and requirement.
- Find the issue date on the action. For most applications the response is due three months from that date, with one three-month extension available for a fee.
- Applications filed through the Madrid Protocol under Section 66(a) have a six-month period with no extension; confirm which applies from the action itself.
- Watch out
- The deadline runs from the issue date of the action, not from the day you noticed it in TSDR. A missed deadline leads to abandonment.
Final refusalLIVE/APPLICATION
Look for:
final refusal
,final action
- What it means
- The examining attorney maintained at least one refusal or requirement after a response. The application is still live, but the options narrow.
- What to check next
- Read the final action in the Documents view and note its issue date.
- The action explains the available paths, such as a request for reconsideration or an appeal to the Trademark Trial and Appeal Board, and their deadlines.
- Watch out
- Final does not mean dead yet, but it does mean the next step is time-limited and procedurally specific. This is a common point to involve a trademark attorney.
SuspendedLIVE/APPLICATION
Look for:
suspension
,suspended
,suspension letter
- What it means
- Examination is on hold, usually while something outside the application is resolved, such as an earlier-filed conflicting application.
- What to check next
- Open the suspension letter in the Documents view to see exactly why.
- Look up any application it cites to follow that record too.
- Watch out
- A suspension can last a long time. Keep checking; the record will change when the reason for the hold is resolved.
Approved for publicationLIVE/APPLICATION
Look for:
approved for publication
,notice of publication
- What it means
- The examining attorney approved the mark, and it is scheduled to be published in the Official Gazette.
- What to check next
- Look for the notice of publication in the Documents view; it gives the publication date.
- Note that the opposition window follows publication.
- Watch out
- Approval for publication is not registration. Third parties can still oppose.
Published for oppositionLIVE/APPLICATION
Look for:
Published for Opposition
,published
- What it means
- The mark has been published in the Official Gazette, and third parties have a window to oppose it before the Trademark Trial and Appeal Board.
- What to check next
- Watch for an extension of time to oppose or an opposition in the prosecution history.
- If no opposition is filed, a use-based application moves toward registration and an intent-to-use application toward a notice of allowance.
- Watch out
- An opposition moves the dispute to the TTAB, which has its own records and deadlines.
Notice of allowance issuedLIVE/APPLICATION
Look for:
notice of allowance
,NOA
- What it means
- For an intent-to-use application, the opposition period passed without a successful opposition. The mark will not register until use in commerce is shown.
- What to check next
- Open the notice of allowance in the Documents view and note its issue date.
- The applicant must file a statement of use, or a request for an extension of time to file one, within the period stated in the notice.
- Watch out
- Allowed is not registered. Missing the statement-of-use deadline abandons the application.
RegisteredLIVE/REGISTRATION
Look for:
Registered
,registration certificate
- What it means
- The USPTO registered the mark. The record now has a registration number and a registration date.
- What to check next
- Open the Maintenance view to see the next filing required and its window.
- Download the registration certificate from the Documents view for your records.
- Watch out
- Registrations must be maintained. If the required maintenance filings are not made, the registration is cancelled or expires.
AbandonedDEAD/APPLICATION
Look for:
Abandoned
,failure to respond
,express abandonment
- What it means
- The application is no longer pending, for example because a deadline was missed or the applicant withdrew it.
- What to check next
- Read the abandonment notice in the Documents view to see why and when.
- If the abandonment was unintentional, the USPTO has a petition-to-revive process with strict time limits; check its current requirements right away.
- Watch out
- Abandonment ends the application but does not by itself decide who may use the name. Do not read a dead record as permission to adopt the mark.
CancelledDEAD/REGISTRATION
Look for:
Cancelled
,Section 8
,cancelled/invalidated
- What it means
- The registration has ended, for example because a required maintenance filing was not accepted or because of a cancellation proceeding.
- What to check next
- Read the prosecution history and documents to see the reason.
- Check whether the owner filed a new application for the same mark.
- Watch out
- A cancelled registration may still be in use, and the owner may still have rights from that use.
ExpiredDEAD/REGISTRATION
Look for:
Expired
,Section 9
- What it means
- The registration was not renewed by the end of its term and grace period.
- What to check next
- Confirm the dates in the Maintenance view and prosecution history.
- Look for a newer application or registration for the same mark by the same owner in Trademark Search.
- Watch out
- As with cancellation, an expired registration does not prove the mark is free to use.
Educational information only. Actual deadlines and legal consequences depend on the official record, the documents in it and the applicable rules. Read the document behind any status before acting, and consider a trademark attorney for decisions about a specific application. For more detail see trademark status meanings in TSDR.
How to Read a USPTO Trademark Office Action
An office action is a letter from the examining attorney explaining why an application cannot be approved as it stands. In TSDR the status line will mention it, the prosecution history will show when it was sent, and the letter itself is in the Documents view.
- Open the action from the Documents view and note its issue date.
- Read the summary of issues. Actions separate refusals (substantive objections, such as likelihood of confusion with an earlier mark or descriptiveness) from requirements (things to fix, such as the wording of the goods and services or a disclaimer).
- Find the response deadline. For most applications, a response to an office action issued on or after December 3, 2022 is due three months from the issue date, and one three-month extension is available for a fee. Applications filed under Section 66(a) of the Madrid Protocol keep a six-month period with no extension.
- Check any cited records. If the action cites an earlier application or registration, look it up in TSDR too.
- Note how to respond. The action says how a response must be filed. TSDR itself cannot be used to respond.
Missing the deadline abandons the application. The USPTO has a petition-to-revive process for unintentional delay, but it has its own strict time limits. See what to do when a trademark application is abandoned.
On screen: An office action opened from the Documents view. The deadline runs from the issue date printed on the action.
- Issue date
- Response deadline paragraph
- Refusals and requirements
Common mistake
Counting the deadline from the day you noticed the action in TSDR or in your inbox. It runs from the issue date printed on the action. Confirm the date and period on the action itself and on the USPTO's response time period page (opens in a new tab).
For refusal types and response strategy, read how to respond to a trademark office action.
How to Find Trademark Application Documents
The Documents view is the mark's complete file wrapper: every paper exchanged with the USPTO. That includes the original application, the drawing of the mark, the specimen showing the mark in use, any office actions, the applicant's responses, notices, and the registration certificate. Reading these documents is how you learn why a mark was refused or what argument won an approval, which is the most useful part of TSDR for anyone studying real prosecution.
To get there, enter the number and select Documents, or switch to Documents from a record you already have open. Documents open in the browser, and TSDR's download options let you save the ones you need for an opinion, a dispute or your own records.
If you have just filed something, give it time: the USPTO suggests checking the Documents tab four to five business days after submitting a form. Our guide to downloading trademark documents from TSDR walks through the document types and download options in more detail.
Free checklist
How to Read Your USPTO Trademark Record
Use this each time you open a record in TSDR. Print it, or choose "Save as PDF" in the print dialog.
Status view
- LIVE or DEAD, APPLICATION or REGISTRATION
- Detailed status and status date
- Owner of record is who you expect
- Correspondence email is one you monitor
- Goods and services and classes are correct
- Filing basis noted
Prosecution history
- Most recent event and its date
- Any office action, suspension or notice
- Matching document found in the Documents view
Documents
- Latest outgoing document read in full
- Issue date of any action or notice written down
- Response or filing deadline confirmed from the document
- Copies saved of anything you rely on
Registered marks
- Registration number and date
- Maintenance view: next filing required
- Filing window in your calendar
- Next check-in date set (every 3 to 4 months while anything is pending)
How to Check Trademark Registration and Maintenance Deadlines
TSDR is also a deadline dashboard. Two categories matter most, and they work differently.
During examination. If an office action issues, the applicant must respond. Under the Trademark Modernization Act, the standard response period for office actions issued on or after December 3, 2022 is three months for most applications, extendable once by three months for a fee, a change from the old six-month window. Other dates during examination come from notices, such as the period after a notice of allowance to file a statement of use. The governing date is always in the document, not in the status line.
After registration. A registration stays alive only if the owner files on time:
- A Section 8 declaration of continued use between the fifth and sixth years after registration.
- A combined Section 8 and Section 9 declaration and renewal between the ninth and tenth years, and every ten years after that.
- A Section 15 declaration is optional and can make a registration incontestable after five years of continuous use.
- A grace period follows each maintenance deadline, for an additional fee. Registrations that came through the Madrid Protocol are maintained with a Section 71 declaration instead of Section 8.
To see the next one, enter the registration number in TSDR and select Maintenance. Confirm the requirements on the USPTO's keeping your registration alive (opens in a new tab) page before filing; maintenance and renewal filings for many registrations are now made in Trademark Center. Our renewal and maintenance guide has a deadline calculator. For filing, see how to use Trademark Center.
Do not calculate deadlines from a status label alone
A status tells you what happened, not exactly what is due. Always confirm a deadline from the document that started it and the USPTO's current rules.
TSDR vs. Trademark Center vs. Trademark Search: Which USPTO Tool Do You Need?
The USPTO's trademark tools each do one job. Trademark Center and TSDR are not interchangeable: Trademark Center is where you file, and TSDR is where you check status and read records.
| USPTO tool | What it is for | Use it when | Not for | Learn more |
|---|---|---|---|---|
| Trademark Search (opens in a new tab) | Find existing registered and pending marks by wording, owner and other fields. It replaced TESS on November 30, 2023. | You do not know a serial number yet, or you are checking for similar marks before filing. | A full clearance opinion; it covers federal records only, not unregistered marks in use. | Using the USPTO Trademark Search system |
| TSDR (opens in a new tab) | Check the status of one application or registration and retrieve its documents and maintenance information. Read only, no sign-in. | You have a serial, registration or reference number and want to know where the record stands or read its file. | Filing anything, or searching by mark name. | This guide |
| Trademark Center (opens in a new tab) | File new trademark applications and the post-filing forms the USPTO has moved into it, such as maintenance and renewal filings. Requires a verified USPTO.gov account. | You are filing an application or a supported form. | Checking status; the USPTO still points applicants to TSDR for that. | How to use USPTO Trademark Center |
| USPTO Apply pages and forms (opens in a new tab) | The USPTO's guidance on filing, and the route to forms that have not yet moved to Trademark Center. | You are working out which filing you need and where to file it. | Status or document retrieval. | USPTO: apply for a trademark (opens in a new tab) |
| Patent Center (opens in a new tab) | The patent-side system for filing and viewing patent application files. It replaced Public PAIR. | You are looking up a patent application, not a trademark. | Trademark records of any kind. | TSDR vs. Patent Center |
TSDR vs. Public PAIR and Patent Center. A common point of confusion: TSDR is the trademark file system. Its patent-side counterpart used to be Public PAIR, which the USPTO retired and folded into Patent Center. So if you are looking up a patent application's file, you now use Patent Center, not TSDR and not the old PAIR. See TSDR vs. Patent Center for how the two systems compare.
Trademark Search covers federal records only. For what it does not show, and when a commercial clearance search is worth it, see USPTO Trademark Search vs. commercial clearance tools. Neither TSDR nor Trademark Search is a substitute for a full clearance review.
Common TSDR Errors and Troubleshooting
- No record found. Check that the number type matches the number (serial vs. registration vs. international registration), and that you entered all eight digits of a serial number with no spaces, commas or letters.
- You only know the mark's name. TSDR cannot search by name. Use Trademark Search, then click through to the record.
- A new filing or document is missing. New documents do not always appear immediately. Check again four to five business days after filing, and contact the USPTO's Trademark Assistance Center if it still does not appear.
- The status looks out of date. Compare the status date with the newest entry in the prosecution history and the newest document. If something you expect is missing, recheck after a few days.
- TSDR is down or documents will not load. The USPTO posts outages and maintenance windows on its system status page (opens in a new tab). During some outages documents are unavailable while basic status data can still be found through Trademark Search.
- A document will not open. Try the PDF option or another browser.
- You need to check many records. Use the USPTO's TSDR API with an API key rather than repeatedly scripting the website; the API has published rate limits.
How Often Should You Check Your Trademark Status?
The USPTO recommends checking the status of a pending application at least every three to four months from the filing date until the mark registers, and on the same schedule after filing a maintenance document until it is accepted. The USPTO treats monitoring status as the applicant's duty, so do not rely on emails alone.
Each time you check, save a copy of the status page, keep the correspondence email of record current, and set your next check-in date. For a full walkthrough from filing to registration, see how to track a trademark application in TSDR.
USPTO TSDR Frequently Asked Questions
What does TSDR stand for?
TSDR stands for Trademark Status and Document Retrieval. It is the USPTO's public system for checking the status of a single U.S. trademark application or registration and reading the documents in its file.
Is TSDR free, and do I need an account?
TSDR is free to use. You can look up a record and read its documents without signing in. A verified USPTO.gov account is needed to file in Trademark Center, not to view records in TSDR.
Can I search for a trademark by name in TSDR?
No. TSDR looks up one record by its number. To find marks by wording or owner, use the USPTO Trademark Search system (the successor to TESS), then open a result to reach its TSDR record.
Can I respond to an office action or file a form in TSDR?
No. TSDR is read-only. Applications and supported post-filing forms are filed through Trademark Center, and forms that have not moved there yet are filed through the USPTO's other electronic forms. The office action itself explains how to respond.
Does a LIVE status mean my trademark is registered?
No. LIVE means the application or registration is still active. A pending application is LIVE long before it registers. Look for a registration number, a registration date and a status that says the mark is registered.
What is the difference between the status date and the filing date?
The filing date is when the application was filed. The status date is the date of the most recent status change, so it moves as the application progresses. Neither one is a response deadline.
Why does TSDR not show a document I just filed?
New documents do not always appear in TSDR immediately. The USPTO suggests checking the Documents tab four to five business days after you submit a form, and contacting the Trademark Assistance Center if it still does not appear.
Is TSDR used for patents?
No. TSDR covers trademarks only. Patent application files are viewed in Patent Center, which replaced Public PAIR.
Is TSDR on the patent bar exam?
The USPTO registration examination tests patent law and procedure, so trademark tools such as TSDR are not its focus. TSDR is still worth knowing for anyone working in IP, because practitioners and paralegals use it daily.
Is there a TSDR API for developers?
Yes. The USPTO offers TSDR APIs for automated access. They require an API key tied to a USPTO account and have rate limits, so use the API rather than scripting the website if you need to check many records.
Learn More About Intellectual Property
Anyone can pull a status; reading a prosecution history and knowing what each deadline means is trademark fluency. Once TSDR makes sense, the natural next steps are tracking an application from filing to registration and understanding how the whole registration process fits together in the Trademark Law Guide.
Official sources
Procedures were checked against these USPTO pages on the "last reviewed" date above. USPTO systems change; when this guide and a USPTO page disagree, follow the USPTO.
- USPTO: Checking the status of a trademark application or registration (opens in a new tab) — TSDR Status, Documents and Maintenance buttons; check every three to four months
- USPTO TSDR (opens in a new tab)
- USPTO TSDR frequently asked questions (opens in a new tab) — accepted number types
- USPTO: Response time period for office actions (opens in a new tab) — three months plus one three-month extension; Section 66(a) exception
- USPTO: Responding to office actions (opens in a new tab)
- USPTO: Keeping your registration alive (opens in a new tab) — Section 8, Section 9 and Section 15 filings
- USPTO: After you file (opens in a new tab) — when new documents appear in TSDR
- USPTO: Trademark fee information (opens in a new tab)
- USPTO: New serial number series (opens in a new tab) — 50-series serial numbers from July 18, 2026
- USPTO: Retiring TESS and the new Trademark Search system (opens in a new tab)
- USPTO Trademark Center (opens in a new tab)
- USPTO: Trademark Center updates and training (opens in a new tab)
- USPTO: Trademark filing login and identity verification (opens in a new tab)
- USPTO: TM5 common status descriptors (opens in a new tab)
- USPTO system status (opens in a new tab)
- USPTO Open Data Portal support (TSDR API access) (opens in a new tab)