Registered patent attorney
Matthew J Spark
Firm
Calyx Law LLP
Address
455 Market Street
Suite 1940
San Francisco, CA, 94105-2448
US
Phone
Registered as
Registered patent attorney
Other attorneys at Calyx Law LLP
Other patent attorneys in San Francisco, California
- Evan K AbbaszadehUSPTO Reg. 77455
- Tom AbelesEvolve Discovery
- Michael J AdamsSquire Patton Boggs
- Bonnie M AdellZendesk, Inc.
- Michael T AdelsheimTucker Ellis, LLP
- Matthew Allan AdrianowyczWilson Sonsini Goodrich & Rosati
- Anchal AgarwalAlston & Bird LLP
- Juwon AhnCovington & Burling LLP
Frequently asked
Frequently asked about Matthew J Spark
Is Matthew J Spark a registered patent attorney?
Yes. Matthew J Spark is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43453). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Matthew J Spark located?
Matthew J Spark's office is in San Francisco, California (94105-2448). Affiliated with Calyx Law LLP.
What firm does Matthew J Spark work at?
Matthew J Spark is listed as affiliated with Calyx Law LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Matthew J Spark?
Matthew J Spark's office phone (per the USPTO public roster) is 213-474-0976. 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.