#1 Bruce Ross Fertel
Serves this area from Largo, FL (1 mi)
Call (310) 781-0565Patent Attorneys & Agents in Largo, FL
The top-ranked patent attorneys and agents serving Largo, FL are Bruce Ross Fertel, David Roy Ellis (Attorney at Law) and James D Haynes Sr. We list 206 patent attorneys and agents serving Largo, FL. 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 Largo, FL (Pinellas County). 206 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 Largo
#2 David Roy Ellis (Attorney at Law)
Serves this area from Largo, FL (1 mi)Call (727) 531-1111#3 James D Haynes Sr
Serves this area from Largo, FL (1 mi)Call (727) 584-6100#4 Krista M. Marrocco
Serves this area from Largo, FL (1 mi)Call (727) 535-2110#5 Stephen J Lewellyn (Lewellyn Law, PLLC)
Serves this area from Largo, FL (1 mi)Call (727) 531-1796#6 Arthur Morris Sloan
Serves this area from Largo, FL (2 mi)Call (727) 585-2666#7 Channon K Dougherty
Serves this area from Largo, FL (2 mi)Call (727) 744-0095#8 John Coventry Smith Jr
Serves this area from Largo, FL (2 mi)Call (727) 480-8315#9 John Lezdey (John Lezdey & Associates)
Serves this area from Largo, FL (2 mi)Call (727) 588-0000#10 Bethany L Martin
Serves this area from Largo, FL (2 mi)Call (703) 309-2550
20 more providers serving this area
- Frank Liebenow (Larson & Larson P.A.), FL
- Gene Warzecha (Linvatec CORP), FL
- Patrick A. Reid (Larson & Larson, P.A.), FL
- Charles Edwin Lykes Jr (Charles E. Lykes, Jr., Attorney at Law), Clearwater, FL (3 mi)
- Todd A Jennings (Macfarlane, Ferguson & McMullen, P.A.), Clearwater, FL (3 mi)
- Brittany J Maxey (Maxey Law Offices, PLLC), Largo, FL (4 mi)
- Jeremiah J Callaghan (Maxey Law Offices, PLLC), Largo, FL (4 mi)
- Robert Hauser III, Largo, FL (4 mi)
- Richard M Farr, Belleair Beach, FL (4 mi)
- Konstantine J. Diamond, Indian Rocks Beach, FL (5 mi)
- Na Zhang, Indian Rocks Beach, FL (5 mi)
- Patricia A Zagami, Indian Rocks Beach, FL (5 mi)
- Edmund E Ketcham (Honeywell Intrntl), Clearwater, FL (5 mi)
- Evelyn A Defillo (Defillo & Associates Inc.), Clearwater, FL (5 mi)
- Mark David Schuman, Clearwater, FL (5 mi)
- Stephanus H. Yang (KnowBe4, Inc.), Clearwater, FL (5 mi)
- Nathan P Suedmeyer (Blue Guide Law PLLC), FL
- Andrei Girenkov, Pinellas Park, FL (5 mi)
- Jesse E Delcamp (IED), Pinellas Park, FL (5 mi)
- Tiffany C Miller (Inventions International Inc.), Pinellas Park, FL (5 mi)
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Frequently asked questions
How many patent attorneys and agents serve Largo?
We list 206 patent attorneys and agents serving Largo, FL: 0 based there and 206 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 Largo?
The top-ranked patent attorneys and agents serving Largo, FL are Bruce Ross Fertel, David Roy Ellis (Attorney at Law), James D Haynes Sr, Krista M. Marrocco and Stephen J Lewellyn (Lewellyn Law, PLLC). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Largo are verified against official records?
10 of the top 10 match an active official record: Bruce Ross Fertel (U.S. Patent and Trademark Office), David Roy Ellis (Attorney at Law) (U.S. Patent and Trademark Office), James D Haynes Sr (U.S. Patent and Trademark Office), Krista M. Marrocco (U.S. Patent and Trademark Office) and Stephen J Lewellyn (Lewellyn Law, PLLC) (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 .