David A. Izzo
Patent attorney, USPTO registration number 84478, status Active.
- Firm
- Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Location
- Washington, DC
- On the USPTO roster since
- April 2026
David A. Izzo is a USPTO-registered patent attorney (registration number 84478) at Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, in Washington, DC. The registration is active on the current USPTO roster, and David A. Izzo has been listed on the roster since April 2026.
Finnegan, Henderson, Farabow, Garrett & Dunner, LLP has 5 registered patent practitioners on the roster (1 patent attorney and 3 patent agents), so David A. Izzo works alongside 4 other registered practitioners there.
Washington, DC has 2,644 registered patent practitioners in all: 1,995 patent attorneys and 568 patent agents.
Other registered practitioners in Washington, DC
- Charles D. Ahearn, Jr — Patent attorney, Reg. No. 33353, Law Office of Dennis Ahearn
- Syed M. Ahmad — Patent attorney, Reg. No. 62101, Nsip Law
- Tirsaay M. Ahmed — Patent agent, Reg. No. 82240
- Quadeer A. Ahmed — Patent attorney, Reg. No. 60835, Paul Hastings LLP
- Syed S. Ahmed — Patent attorney, Reg. No. 64587, Sterne Kessler Goldstein & Fox
- Sangwoo Ahn — Patent attorney, Reg. No. 76905, Bookoff Mcandrews, PLLC
- Jae Seok Ahn — Patent attorney, Reg. No. 78937, Sughrue Mion, PLLC
- Minseung Ahn — Patent attorney, Reg. No. 76611, Fish & Richardson P.C
All patent attorneys and agents in Washington, DC
Patent firms in District of Columbia · Practitioners by state
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