Registered patent attorney

Darren J Kassab

USPTO Reg. 71302

Firm

Jones Day

Address

51 Louisiana Avenue, N.W.

Washington, DC, 20001

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Darren J Kassab

  • Is Darren J Kassab a registered patent attorney?

    Yes. Darren J Kassab is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 71302). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Darren J Kassab located?

    Darren J Kassab's office is in Washington, District of Columbia (20001). Affiliated with Jones Day.

  • What firm does Darren J Kassab work at?

    Darren J Kassab is listed as affiliated with Jones Day on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Darren J Kassab?

    Darren J Kassab's office phone (per the USPTO public roster) is 202-879-3889. 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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