Registered patent attorney
Karl F BarrJr
Firm
Cantor Colburn, LLP
Address
201 W. Big Beaver Road
Suite 1101
Troy, MI, 48084
US
Phone
Registered as
Registered patent attorney
Other attorneys at Cantor Colburn, LLP
- Christopher C BoehmUSPTO Reg. 41624 · Troy, MI
- Aaron P BumgarnerUSPTO Reg. 53860 · Stamford, CT
- Tina M. DorrUSPTO Reg. 71969 · Atlanta, GA
- Peter R HagertyUSPTO Reg. 42618 · Atlanta, GA
- Dennis J JakielaUSPTO Reg. 68539 · Hartford, CT
- Jaegyoo JangUSPTO Reg. 68540 · Alexandria, VA
- Matthew Brad LawrenceUSPTO Reg. 47210 · Hartford, CT
- Howard I LevyUSPTO Reg. 55378 · Alexandria, VA
Other patent attorneys in Troy, Michigan
- Michael C AdamsReising Ethington, P.C.
- Daniel P AleksynasYoung Basile Hanlon & MacFarlane, P.C.
- Thomas E AndersonDinsmore & Shohl LLP
- George A AndonyanLaw Office
- Nicholas J. AngelocciDickinson Wright PLLC
- Damian M AquinoHarness, Dickey & Pierce, P.L.C.
- John S ArtzDickinson Wright PLLC
- Arthur L. BakerDelphi Technologies, Inc.
Frequently asked
Frequently asked about Karl F Barr
Is Karl F Barr a registered patent attorney?
Yes. Karl F Barr is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 33155). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Karl F Barr located?
Karl F Barr's office is in Troy, Michigan (48084). Affiliated with Cantor Colburn, LLP.
What firm does Karl F Barr work at?
Karl F Barr is listed as affiliated with Cantor Colburn, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Karl F Barr?
Karl F Barr's office phone (per the USPTO public roster) is 248-524-2300. 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.