Registered patent attorney
David M Keyzer
Firm
Law Office of David Keyzer, P.C.
Address
5170 Golden Foothill Parway
El Dorado Hills, CA, 95762
US
Phone
Registered as
Registered patent attorney
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Frequently asked about David M Keyzer
Is David M Keyzer a registered patent attorney?
Yes. David M Keyzer is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 56812). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David M Keyzer located?
David M Keyzer's office is in El Dorado Hills, California (95762). Affiliated with Law Office of David Keyzer, P.C..
What firm does David M Keyzer work at?
David M Keyzer is listed as affiliated with Law Office of David Keyzer, P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David M Keyzer?
David M Keyzer's office phone (per the USPTO public roster) is 916-243-5259. 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.