Registered patent agent

Dennis G. Keritsis

USPTO Reg. 82123

Firm

Arnold & Porter

Address

601 Massachusetts Ave, NW

Washington, DC, 20001-3743

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Dennis G. Keritsis

  • Is Dennis G. Keritsis a registered patent attorney?

    Dennis G. Keritsis is a registered patent agent (USPTO Registration Number 82123). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Dennis G. Keritsis located?

    Dennis G. Keritsis's office is in Washington, District of Columbia (20001-3743). Affiliated with Arnold & Porter.

  • What firm does Dennis G. Keritsis work at?

    Dennis G. Keritsis is listed as affiliated with Arnold & Porter on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Dennis G. Keritsis?

    Dennis G. Keritsis's office phone (per the USPTO public roster) is 202-942-6619. 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.

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