Registered patent attorney
John M. Chambers
Address
450 Massachusetts Ave NW
Apt 732
Washington, DC, 20001
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about John M. Chambers
Is John M. Chambers a registered patent attorney?
Yes. John M. Chambers is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 82276). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John M. Chambers located?
John M. Chambers's office is in Washington, District of Columbia (20001).
How do I contact John M. Chambers?
John M. Chambers's office phone (per the USPTO public roster) is 843-421-3537. 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.