Registered patent attorney
Gregory J Cohan
Firm
Banner and Witcoff, Ltd
Address
28 State Street,
Suite 1800
Boston, MA, 02109-1701
US
Phone
Registered as
Registered patent attorney
Other attorneys at Banner and Witcoff, Ltd
Other patent attorneys in Boston, Massachusetts
- Susan M AbelleiraFoley Hoag, LLP
- Donato G. AcetoFish & Richardson P.C.
- James M AchesonEDWARDS WILDMAN PALMER LLP
- Daryl L AchillesLightmtter, Inc.
- Lisa AdamsMintz Levin Cohn Ferris Glovsky and Popeo, PC
- Melissa M AdamsClark & Elbing, LLP
- Terra E AdamsDialog
- Edward J AdamsonUSPTO Reg. 50927
Frequently asked
Frequently asked about Gregory J Cohan
Is Gregory J Cohan a registered patent attorney?
Yes. Gregory J Cohan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 40959). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Gregory J Cohan located?
Gregory J Cohan's office is in Boston, Massachusetts (02109-1701). Affiliated with Banner and Witcoff, Ltd.
What firm does Gregory J Cohan work at?
Gregory J Cohan is listed as affiliated with Banner and Witcoff, Ltd on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Gregory J Cohan?
Gregory J Cohan's office phone (per the USPTO public roster) is 617-720-9600. 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.