Registered patent agent
John D Welsh
Address
12826 Holiday Lane
Bowie, MD, 20716
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Bowie, Maryland
- Glyn W CashwellCashwell Legal, LLC
- Charesse L EvansScience Applications International Corporation (SAIC)
- Ruth G Hidalgo-HernandezUSPTO Reg. 80933
- Hemant KhannaUSPTO Reg. 62183
- Bernard NozickUSPTO Reg. 37061
- William G SabaUSPTO Reg. 41468
- James A SeidleckUSPTO Reg. 38782
- Han Byul SongUSPTO Reg. 80374
Frequently asked
Frequently asked about John D Welsh
Is John D Welsh a registered patent attorney?
John D Welsh is a registered patent agent (USPTO Registration Number 35031). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is John D Welsh located?
John D Welsh's office is in Bowie, Maryland (20716).
How do I contact John D Welsh?
John D Welsh's office phone (per the USPTO public roster) is 301-805-1933. 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.