Registered patent agent
Matthew J Kohner
Firm
Office of the Intellectual Property Enforcement Coordinator
Address
1650 Pennsylvania Ave.
Washington, DC, 20504
US
Phone
Registered as
Registered patent agent
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Frequently asked
Frequently asked about Matthew J Kohner
Is Matthew J Kohner a registered patent attorney?
Matthew J Kohner is a registered patent agent (USPTO Registration Number 51892). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Matthew J Kohner located?
Matthew J Kohner's office is in Washington, District of Columbia (20504). Affiliated with Office of the Intellectual Property Enforcement Coordinator.
What firm does Matthew J Kohner work at?
Matthew J Kohner is listed as affiliated with Office of the Intellectual Property Enforcement Coordinator on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Matthew J Kohner?
Matthew J Kohner's office phone (per the USPTO public roster) is 202-881-9136. 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.