Registered patent agent
John W CaldwellSr
Address
3344 5th St SE
Washington, DC, 20032
US
Phone
Registered as
Registered patent agent
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- Michael T. AbramsonJordan IP Law
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Frequently asked
Frequently asked about John W Caldwell
Is John W Caldwell a registered patent attorney?
John W Caldwell is a registered patent agent (USPTO Registration Number 33313). 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 W Caldwell located?
John W Caldwell's office is in Washington, District of Columbia (20032).
How do I contact John W Caldwell?
John W Caldwell's office phone (per the USPTO public roster) is 202-562-1087. 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.