#1Deborah M Chess
Based in Mercer, PA
Patent Attorneys & Agents in Mercer County, PA
The top-ranked patent attorneys and agents serving Mercer County, PA are Deborah M Chess, Gerald Joseph Iwanejko Jr (Law Office of Gerald J. Iwanejko Jr. Esq.) and James R Williams. We list 34 patent attorneys and agents serving Mercer County, PA. 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 Mercer County, PA. 34 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 Mercer County
#2Gerald Joseph Iwanejko Jr (Law Office of Gerald J. Iwanejko Jr. Esq.)
Serves this area from PA#3James R Williams
Serves this area from PA#4Robert G Lev (Lev Intellectual Property Consulting)
Serves this area from Youngstown, OH (22 mi)#5Robert John Herberger Jr (Roth Blair)
Serves this area from Youngstown, OH (25 mi)#6Adam D. Stallard (Law Office of Adam Douglas Stallard)
Serves this area from PA#7Richard C Harpman (Harpman and Harpman)
Serves this area from OH#8Adam M Kemp
Serves this area from OH#9Daniel Robert Rotar
Serves this area from OH#10Joseph F Aceto (Joseph F. Aceto, Ph.D., Esq)
Serves this area from Unionville, PA (29 mi)
20 more providers serving this area
- John M Fray (John M. Fray, Attorney At Law), PA
- Linda D French, PA
- Randall E Murphy, PA
- Henry E Bartony Jr (Bartony & Associates, LLC), Butler, PA (36 mi)
- Mark R. Luderer (Flaster Greenberg), PA
- Andrew Silvio Brenc (Brenc Law), PA
- Aileen C Addessi, PA
- Shannon L Morris, PA
- Stephen A. Mick, PA
- Thomas Lizzi (IP & Internet Law North, LLC), PA
- Michael A Baffa, PA
- Beth Anne Endler, PA
- Douglas K McClaine (Mine Safety Appliances Company), PA
- John W Fasnacht (Westinghouse Electric Corporation), PA
- Joseph Carl Spadacene (Westinghouse Electric Company LLC), PA
- Joseph R Carnicella (Westinghouse Electric Company), PA
- Kathleen A Kuznicki (Lynch Weis, LLC), PA
- Kathleen M. Pointon (Westinghouse Electric Company LLC), PA
- Richard J Coldren (MSA), PA
- Ryan A. Notzen, PA
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Frequently asked questions
How many patent attorneys and agents serve Mercer County?
We list 34 patent attorneys and agents serving Mercer County, PA: 1 based there and 33 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 Mercer County?
The top-ranked patent attorneys and agents serving Mercer County, PA are Deborah M Chess, Gerald Joseph Iwanejko Jr (Law Office of Gerald J. Iwanejko Jr. Esq.), James R Williams, Robert G Lev (Lev Intellectual Property Consulting) and Robert John Herberger Jr (Roth Blair). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Mercer County are verified against official records?
10 of the top 10 match an active official record: Deborah M Chess (U.S. Patent and Trademark Office), Gerald Joseph Iwanejko Jr (Law Office of Gerald J. Iwanejko Jr. Esq.) (U.S. Patent and Trademark Office), James R Williams (U.S. Patent and Trademark Office), Robert G Lev (Lev Intellectual Property Consulting) (U.S. Patent and Trademark Office) and Robert John Herberger Jr (Roth Blair) (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 .
Communities served
Hermitage, Sharon, Grove City, Greenville, Farrell, Sharpsville, Reynolds Heights, Mercer, Lake Latonka, Stoneboro, West Middlesex, Sandy Lake, Jamestown, Clark, Fredonia, New Lebanon, Jackson Center, Sheakleyville