Registered patent agent
Derrick L Fields
Address
49 U Street NW
Washington, DC, 20001
US
Phone
Registered as
Registered patent agent
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Frequently asked
Frequently asked about Derrick L Fields
Is Derrick L Fields a registered patent attorney?
Derrick L Fields is a registered patent agent (USPTO Registration Number 50133). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Derrick L Fields located?
Derrick L Fields's office is in Washington, District of Columbia (20001).
How do I contact Derrick L Fields?
Derrick L Fields's office phone (per the USPTO public roster) is 202-528-9272. 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.