Registered patent agent
Philip A Hammarberg
Firm
Davidson, Davidson & Kappel, LLC
Address
485 Fashion Avenue
New York, NY, 10018
US
Phone
Registered as
Registered patent agent
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Frequently asked
Frequently asked about Philip A Hammarberg
Is Philip A Hammarberg a registered patent attorney?
Philip A Hammarberg is a registered patent agent (USPTO Registration Number 67889). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Philip A Hammarberg located?
Philip A Hammarberg's office is in New York, New York (10018). Affiliated with Davidson, Davidson & Kappel, LLC.
What firm does Philip A Hammarberg work at?
Philip A Hammarberg is listed as affiliated with Davidson, Davidson & Kappel, LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Philip A Hammarberg?
Philip A Hammarberg's office phone (per the USPTO public roster) is 212-736-2199. 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.