#1Holly Y Li (IP Advantagages, LLC)
Serves this area from Greenwich, CT (1 mi)
Patent Attorneys & Agents in Greenwich, CT
The top-ranked patent attorneys and agents serving Greenwich, CT are Holly Y Li (IP Advantagages, LLC), Joel Eric Lutzker and Joseph Jacob Kaliko (Kaliko Law Offices). We list 1143 patent attorneys and agents serving Greenwich, CT. 30 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Patent Attorneys & Agents serving Greenwich, CT (Western Connecticut Planning Region). 1143 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked patent attorneys and agents for Greenwich
#2Joel Eric Lutzker
Serves this area from Greenwich, CT (1 mi)#3Joseph Jacob Kaliko (Kaliko Law Offices)
Serves this area from Greenwich, CT (1 mi)#4Michael A Ricci (Michael Ricci, Esq.)
Serves this area from Greenwich, CT (1 mi)#5Michael I Wolfson
Serves this area from Greenwich, CT (1 mi)#6Nathaniel T Wallace (Otterstedt & Kammer PLLC)
Serves this area from Greenwich, CT (1 mi)#7Paul John Otterstedt (Otterstedt, Ellenbogen & Kammer, LLP)
Serves this area from Greenwich, CT (1 mi)#8Kent H Cheng (VLP Law Group LLP)
Serves this area from Greenwich, CT (2 mi)#9David F Ries (dfresq)
Serves this area from Greenwich, CT (3 mi)#10Steven R. Ludwig
Serves this area from Greenwich, CT (3 mi)
20 more providers serving this area
- Angie Maria Hankins (SCHOTT North America, Inc.), Port Chester, NY (3 mi)
- James Hwa (Hitachi America, Ltd.), Port Chester, NY (3 mi)
- Stephen J Manetta (Hitachi Ltd.), Port Chester, NY (3 mi)
- Allen A Meyer Jr., Greenwich, CT (3 mi)
- Alan D. Gardner (Withers Bergman LLP), Greenwich, CT (4 mi)
- Alexander M. Porte (Withers Bergman LLP), Greenwich, CT (4 mi)
- Charles A Glover, Greenwich, CT (4 mi)
- James P Doyle, Greenwich, CT (4 mi)
- Karen J Ghinculov, Greenwich, CT (4 mi)
- Marvin R Wachs (Withers Bergman LLP), Greenwich, CT (4 mi)
- Andrew S Reiskind (Mastercard), Harrison, NY (4 mi)
- Colm James Dobbyn (Mastercard International, Inc.), Harrison, NY (4 mi)
- Daniel P Morris, Harrison, NY (4 mi)
- Edward R Tempesta (MasterCard International Inc.), Harrison, NY (4 mi)
- Flora W Feng (PepsiCo, Inc.), Harrison, NY (4 mi)
- Siddharth E Fernandes (PepsiCo, Inc.), Harrison, NY (4 mi)
- Steven P Klocinski (MasterCard Worldwide), Harrison, NY (4 mi)
- Alfred Henry Hemingway Jr, Stamford, CT (5 mi)
- Amy M Leahy (Leahy IP Law, LLC), Stamford, CT (5 mi)
- Bojuan Deng (Henkel Corporation), Stamford, CT (5 mi)
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Frequently asked questions
How many patent attorneys and agents serve Greenwich?
We list 1143 patent attorneys and agents serving Greenwich, CT: 0 based there and 1143 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve Greenwich?
The top-ranked patent attorneys and agents serving Greenwich, CT are Holly Y Li (IP Advantagages, LLC), Joel Eric Lutzker, Joseph Jacob Kaliko (Kaliko Law Offices), Michael A Ricci (Michael Ricci, Esq.) and Michael I Wolfson. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Greenwich are verified against official records?
10 of the top 10 match an active official record: Holly Y Li (IP Advantagages, LLC) (U.S. Patent and Trademark Office), Joel Eric Lutzker (U.S. Patent and Trademark Office), Joseph Jacob Kaliko (Kaliko Law Offices) (U.S. Patent and Trademark Office), Michael A Ricci (Michael Ricci, Esq.) (U.S. Patent and Trademark Office) and Michael I Wolfson (U.S. Patent and Trademark Office), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a patent attorney and a patent agent?
Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .