Licensed LookupPatent Attorneys & Agents Directory

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Patent Attorneys & Agents in Ottawa County, OH

The top-ranked patent attorneys and agents serving Ottawa County, OH are Jerry William Semer, Seth R. Smith and Ryan J. Zawada. We list 69 patent attorneys and agents serving Ottawa County, OH. 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 Ottawa County, OH. 69 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 Ottawa County

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Jerry William SemerRegistered to practice before the USPTO in patent matters#33087
Fremont, OH (14 mi)(419) 332-2221
2Seth R. SmithRegistered to practice before the USPTO in patent matters#82168
OH(419) 603-7506
3Ryan J. ZawadaRegistered to practice before the USPTO in patent matters#79355
Northwood, OH (24 mi)(330) 635-5212
4John M LenczykRegistered to practice before the USPTO in patent matters#54261
Huron, OH (27 mi)(419) 938-4598
5Robert Michael Leonardi (MacMillian, Sobanski & Todd, LLP)Registered to practice before the USPTO in patent matters#27815
Toledo, OH (27 mi)(419) 255-5900
6Allen Walcott Inks (MacMillan Sobanski & Todd, LLC)Registered to practice before the USPTO in patent matters#37358
Toledo, OH (28 mi)(419) 255-5900
7Brenda J Kruse (Shumaker, Loop & Kendrick, LLP)Registered to practice before the USPTO in patent matters#70839
Toledo, OH (28 mi)(419) 321-1301
8Charles R Schaub (Schaffer, Schaub & Marriott, Ltd.)Registered to practice before the USPTO in patent matters#27518
Toledo, OH (28 mi)(419) 243-1294
9Christopher D Marriott (Schaffer, Schaub & Marriott, LTD)Registered to practice before the USPTO in patent matters#71662
Toledo, OH (28 mi)(419) 243-1294
10Donald A Schurr (Marshall & Melhorn LLC)Registered to practice before the USPTO in patent matters#34247
Toledo, OH (28 mi)(419) 249-7100
20 more providers serving this area

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Frequently asked questions

How many patent attorneys and agents serve Ottawa County?

We list 69 patent attorneys and agents serving Ottawa County, OH: 0 based there and 69 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 Ottawa County?

The top-ranked patent attorneys and agents serving Ottawa County, OH are Jerry William Semer, Seth R. Smith, Ryan J. Zawada, John M Lenczyk and Robert Michael Leonardi (MacMillian, Sobanski & Todd, LLP). The full ranked list, with the official records each provider matched, is on this page.

Which patent attorneys and agents serving Ottawa County are verified against official records?

10 of the top 10 match an active official record: Jerry William Semer (U.S. Patent and Trademark Office), Seth R. Smith (U.S. Patent and Trademark Office), Ryan J. Zawada (U.S. Patent and Trademark Office), John M Lenczyk (U.S. Patent and Trademark Office) and Robert Michael Leonardi (MacMillian, Sobanski & Todd, LLP) (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

Port Clinton, Oak Harbor, Genoa, Curtice, Elmore, Marblehead, Lakeside, Williston, Rocky Ridge, Clay Center, Put-in-Bay

More areas nearby

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