Category A Patent Bar Eligibility: 2026 Qualifying Degrees
Category A is the most direct scientific and technical qualification pathway for the USPTO Patent Bar. Under the August 2026 General Requirements Bulletin, an applicant can establish Category A eligibility by providing an official transcript showing an eligible bachelor's degree, master's degree, or Doctor of Philosophy degree in one of the subjects recognized by the USPTO.
The exact degree title matters. The list below follows the current General Requirements Bulletin rather than a broader list of majors that may sound technically similar.
In August 2026, the USPTO expressly added Biomedical Science to Category A. Applicants whose degree is not listed should not assume they are ineligible; they may qualify under Category B or Category C.
Official Category A Degree List – August 2026
The USPTO currently lists the following Category A subjects for registration to practice in all patent matters:
| Category A degree subjects (USPTO General Requirements Bulletin, August 2026) | ||
|---|---|---|
| Aeronautical Engineering | Aerospace Engineering | Agricultural Engineering |
| Biochemistry | Bioengineering | Biological Science |
| Biology | Biomedical Engineering | Biomedical Science |
| Biophysics | Botany | Ceramic Engineering |
| Chemical Engineering | Civil Engineering | Computer Engineering |
| Computer Science* | Electrical Engineering | Electrochemical Engineering |
| Electronics Engineering | Electronics Technology | Engineering Physics |
| Environmental Engineering | Food Technology | General Chemistry |
| General Engineering | Genetic Engineering | Genetics |
| Geological Engineering | Industrial Engineering | Marine Engineering |
| Marine Technology | Materials Engineering | Materials Science |
| Mechanical Engineering | Metallurgical Engineering | Microbiology |
| Mining Engineering | Molecular Biology | Neuroscience |
| Nuclear Engineering | Ocean Engineering | Organic Chemistry |
| Petroleum Engineering | Pharmacology | Physics |
| Textile Engineering | Textile Technology | |
*Computer Science has a special rule in the current General Requirements Bulletin: an acceptable Computer Science degree must be a Bachelor of Science degree from an accredited college or university.
Biomedical Science Was Added in 2026
The USPTO announced on August 11, 2026 that Biomedical Science was being moved into Category A after its periodic review of degrees commonly accepted through the alternative technical-training pathway. The August 2026 General Requirements Bulletin now includes Biomedical Science in the official Category A list.
This is why any eligibility list you rely on should be dated and tied to the current USPTO bulletin. A degree that required additional review under an older bulletin can later become directly recognized.
What Degree Levels Can Qualify?
For the subjects on the Category A list, the current General Requirements Bulletin recognizes a bachelor's degree, master's degree, or Doctor of Philosophy degree awarded by an accredited U.S. college or university, or the equivalent degree awarded by a foreign university.
There is one important exception: the bulletin separately states that an acceptable Computer Science degree must be a Bachelor of Science degree from an accredited college or university. Do not generalize the bachelor's/master's/Ph.D. rule to Computer Science without accounting for that footnote.
Your Transcript Must Show the Qualifying Degree
Category A applicants must submit an official transcript showing the qualifying degree. The USPTO states that a diploma, copy of a diploma, or copy of a transcript is not accepted in place of the official transcript.
The official transcript may be submitted by the applicant, but it must be official and include the college or university stamp or seal.
Before applying, verify that the transcript actually shows the degree award and the degree title you intend to rely on.
What If Your Degree Title Is Not an Exact Match?
The USPTO states that it will accept degrees when the transcript demonstrates equivalence to a Category A degree. The current bulletin gives two examples:
- Molecular Cell Biology may be equivalent to Biology.
- Materials Science and Engineering may be equivalent to Materials Science.
That does not mean every similar-sounding major automatically qualifies. If the exact degree is not on the list, the applicant bears the burden of establishing the required scientific and technical training. Depending on the background, Category B or Category C may be the appropriate route.
For a preliminary screen, use Wysebridge's Do I Qualify? tool to check Patent Bar eligibility. For an official determination, rely on OED.
What If Your Degree Is Not on the Category A List?
A non-listed degree is not the same thing as automatic ineligibility. The August 2026 bulletin specifically says that applicants with degrees in other subjects must establish their scientific and technical training under Category B or Category C.
The bulletin gives examples of degrees outside Category A, including pharmacy, mechanical technology, and a Computer Science degree that does not satisfy the Category A Computer Science requirement.
The correct next step is to evaluate the alternative pathway rather than trying to stretch the Category A list.
Category A vs. Category B
| Category A | Category B | |
|---|---|---|
| Primary basis | Recognized degree title | Degree in another subject plus qualifying scientific/technical training |
| Typical documentation | Official transcript showing qualifying degree | Official transcript plus coursework and supporting evidence required by the applicable option |
If your transcript clearly shows a Category A degree, you generally should not need the detailed course-by-course analysis used for Category B. If it does not, review the Category B coursework requirements rather than forcing the degree into Category A.
What About Foreign Degrees?
The current Category A rule also covers the equivalent of a qualifying bachelor's, master's, or Doctor of Philosophy degree awarded by a foreign university. Foreign-education cases may require additional evidence under the General Requirements Bulletin.
The bulletin explains that education completed outside the United States may be supported with objective evidence showing U.S. equivalency, including evaluation by organizations specializing in foreign educational credentials. Follow the current General Requirements Bulletin instructions for your exact documentation rather than relying on a prep site's preferred evaluation vendor.
Common Category A Mistakes
- Assuming any engineering-sounding degree is automatically listed.
- Using a degree list from an older General Requirements Bulletin.
- Ignoring the special Computer Science footnote.
- Relying on a diploma or unofficial transcript instead of the required official transcript.
- Assuming a minor or concentration creates Category A eligibility when the qualifying degree itself is not shown.
- Treating a non-listed degree as automatically disqualifying instead of checking Category B or Category C.
Verify Your Degree Before You Apply
Compare the exact degree title on your official transcript with the August 2026 Category A list. If it appears directly or you have a clear equivalency case, prepare the required official transcript and move on to the Patent Bar application process. If it does not, move to the Category B or Category C pathway instead of assuming you cannot take the Patent Bar.
Still choosing a degree? See the best majors for Patent Bar eligibility.