Persoona.ai

Hayward, California

Patent attorneys in Hayward

Hayward, California is home to 16 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include Arcus Biosciences, Inc., PACT Pharma, and Mendel Biotechnology.

Atulya R Agarwal

Reg. 40887
Patent attorney

PACT Pharma

hayward, CA · 94545

650-245-4819

Simona L. Bandong

Reg. 68183
Patent attorney

Mendel Biotechnology

Hayward, CA · 94545

510-259-6171

Chi N Dinh

Reg. 68413
Patent attorney

Hayward, CA · 94545

510-786-1871

Xin Gao

Reg. 78115
Patent agent

Hayward, CA · 94542

415-810-7854

Justas Geringson

Reg. 57033
Patent attorney

Hayward, CA · 94542

310-560-0929

Erin K Hill

Reg. 80648
Patent agent

Arcus Biosciences, Inc.

Hayward, CA · 94545

510-509-1890

Neil P Kilcoin

Reg. 47705
Patent agent

Guava Technologies, Inc.

Hayward, CA · 94545

510-576-1409

Ben Hsiao-Pang Liu

Reg. 69525
Patent agent

Hayward, CA · 94541

510-862-8149

Huong T Nguyen

Reg. 55494
Patent attorney

Impax Laboratories Inc

Hayward, CA · 94544

510-404-4115

Brittany J. Perla

Reg. 77705
Patent agent

Arcus Biosciences, Inc.

Hayward, CA · 94545

510-766-2608

Norman Ernest Reitz

Reg. 24879
Patent attorney

Hayward, CA · 94545

510-732-9940

Michael J. Smith

Reg. 67296
Patent attorney

Hayward, CA · 94541

530-624-5906

Margaret M Snowden

Reg. 37728
Patent attorney

Impax Laboratories, Inc.

Hayward, CA · 94544

510-240-6001

Harry G Thibault

Reg. 26347
Patent attorney

IP Consulting

Hayward, CA · 94540

510-909-2488

Hain-Ann H Yang

Reg. 65993
Patent agent

RefleXion Medical

Hayward, CA · 94545

650-542-0311

Zhengzheng Yao

Reg. 73982
Patent agent

Arcus Biosciences

Hayward, CA · 94545

626-758-2370

Common questions

Do patent attorneys in Hayward 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 Hayward tend to track the broader California legal market.
How many USPTO practitioners list a Hayward office?
16 USPTO-registered patent practitioners list a Hayward 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 Hayward practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Hayward-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
build 4315ed5 · 2026-05-22 16:49 EDT