Registered patent attorney
Letitia A. Walker
Firm
Amgen
Address
One Amgen Center Drive
Thousand Oaks, CA, 91320-1799
US
Phone
Registered as
Registered patent attorney
Other attorneys at Amgen
- Cynthia Tianxin ChenUSPTO Reg. 61193 · Cambridge, MA
- Melissa R. GibsonUSPTO Reg. 80315 · Thousand Oaks, CA
- Christina N GiffordUSPTO Reg. 44122 · Thousand Oaks, CA
- Vicki Lynn HealyUSPTO Reg. 48343 · Thousand Oaks, CA
- Emily C. JohnsonUSPTO Reg. 60269 · Thousand Oaks, CA
- Eunice Yoojin LeeUSPTO Reg. 74217 · Thousand Oaks, CA
Other patent attorneys in Thousand Oaks, California
- Julia E AbersUSPTO Reg. 31222
- Eric M AgovinoAmgan Inc.
- Markus BergauerAmgen Inc.
- Kimberly L BerkowskiAmgen Inc.
- Robert J BerryUSPTO Reg. 65424
- Alla BrukmanAmgen Inc.
- Joseph W BulockJoseph W Bulock LLC
- Ngam Fung David ChanInstil Bio Inc.
Frequently asked
Frequently asked about Letitia A. Walker
Is Letitia A. Walker a registered patent attorney?
Yes. Letitia A. Walker is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 68726). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Letitia A. Walker located?
Letitia A. Walker's office is in Thousand Oaks, California (91320-1799). Affiliated with Amgen.
What firm does Letitia A. Walker work at?
Letitia A. Walker is listed as affiliated with Amgen on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Letitia A. Walker?
Letitia A. Walker's office phone (per the USPTO public roster) is 805-313-3679. 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.