Registered patent agent
Eric J Zylstra
Firm
Townsend and Townsend and Crew LLP
Address
2175 North California Boulevard
Suite 600
Walnut Creek, CA, 94596
US
Phone
Registered as
Registered patent agent
Other attorneys at Townsend and Townsend and Crew LLP
- Erin O BuellUSPTO Reg. 57450 · San Francisco, CA
- Tyler J. GeeUSPTO Reg. 60634 · San Francisco, CA
- Roger Nicholas HyltonUSPTO Reg. 50866 · Palo Alto, CA
- Babak KushaUSPTO Reg. 51095 · Walnut Creek, CA
- David RosenbergUSPTO Reg. 54409 · San Francisco, CA
- Andrea D TiglioUSPTO Reg. 60829 · Washington, DC
- Fang WuUSPTO Reg. 62058 · Palo Alto, CA
- Lu YinUSPTO Reg. 60214 · Palo Alto, CA
Other patent attorneys in Walnut Creek, California
- Javed S M AfzalUSPTO Reg. 47222
- Nisha AgarwalKILPATRICK TOWNSEND & STOCKTON LLP
- Houtan AmanatKILPATRICK TOWNSEND & STOCKTON LLP
- Juerg W BaenzigerUSPTO Reg. 50339
- Vanessa M BellKilpatrick Townsend & Stockton LLP
- Arthur J BobelLeydig, Voit & Mayer, LLP
- Andrew J. ChanTressler, LLP
- David D ChungUSPTO Reg. 38409
Frequently asked
Frequently asked about Eric J Zylstra
Is Eric J Zylstra a registered patent attorney?
Eric J Zylstra is a registered patent agent (USPTO Registration Number 61330). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Eric J Zylstra located?
Eric J Zylstra's office is in Walnut Creek, California (94596). Affiliated with Townsend and Townsend and Crew LLP.
What firm does Eric J Zylstra work at?
Eric J Zylstra is listed as affiliated with Townsend and Townsend and Crew LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Eric J Zylstra?
Eric J Zylstra's office phone (per the USPTO public roster) is 925-472-5000. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.