Oscar K. Hsu
Patent agent, USPTO registration number 56858, status Active.
- Firm
- Service Science & Engineering LLC
- Location
- Chelmsford, MA
- On the USPTO roster since
- before May 2006
Oscar K. Hsu is a USPTO-registered patent agent (registration number 56858) at Service Science & Engineering LLC, in Chelmsford, MA. The registration is active on the current USPTO roster, and Oscar K. Hsu has been listed on the roster since before May 2006.
Service Science & Engineering LLC is listed with one registered practitioner on the current roster.
Chelmsford, MA has 19 registered patent practitioners in all: 14 patent attorneys and 5 patent agents.
Other registered practitioners in Chelmsford, MA
- En-Hsin Lee — Patent agent, Reg. No. 79606
- Kevin B. Mcgoff — Patent attorney, Reg. No. 53297, Brooks Automation
- Ashish K. Mithal — Patent agent, Reg. No. 53335
- Heather R. Parker — Patent attorney, Reg. No. 74253, Heather Roark Parker, P.C.
- Joanne R. Parrill — Patent attorney, Reg. No. 69024, ZOLL Medical Corporation
- Michael Norbert Raisbeck — Patent attorney, Reg. No. 32487
- Sivananda K. Reddy — Patent attorney, Reg. No. 71634, ZOLL Medical Corporation
- Kuangshin Tai — Patent attorney, Reg. No. 62733, ZOLL Medical Corporation
All patent attorneys and agents in Chelmsford, MA
Patent firms in Massachusetts · Practitioners by state
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