ZIP 92078
Patent attorneys in ZIP code 92078 · California
ZIP code 92078 in California has 4 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include ESPLIN & ASSOCIATES, PC and Donald R. Green.
All practitioners
Thomas Morgan Cope· Jr
Reg. 68201Patent agent
ESPLIN & ASSOCIATES, PC
SAN MARCOS, CA · 92078
760-228-4325
Donald R Green· Jr
Reg. 42603Patent agent
Donald R. Green
San Marcos, CA · 92078
760-443-1461
Ke Huang
Reg. 79476Patent agent
San Marcos, CA · 92078
714-869-8352
Michael J. Loi
Reg. 64451Patent attorney
Hunter Industries
San Marcos, CA · 92078
760-591-7378
Common questions
Do patent attorneys in ZIP 92078 cost more than the national average?
Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in ZIP 92078 tend to track the broader California legal market.
How many USPTO practitioners list a ZIP 92078 office?
4 USPTO-registered patent practitioners list a ZIP 92078 mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.
Can I work with a ZIP 92078 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 92078-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.