A Trusted Name in Intellectual Property Law for Over 35 Years

Larson & Larson is a family-run IP law firm based in Largo, Florida, serving clients throughout the Tampa Bay area and beyond.

Since 1987, our team has combined legal skill with technical insight in science, technology, and engineering to deliver clear, strategic counsel. We help clients secure patent, trademark, and copyright protection tailored to their goals.

From early-stage filings to long-term planning, our services safeguard what clients create and support their continued growth.

A Trusted Name in Intellectual Property Law for Over 35 Years

Larson & Larson is a family-run IP law firm based in Largo, Florida, proudly serving clients throughout the Tampa Bay area and beyond.

Since 1987, our team has combined legal skill with technical insight in science, technology, and engineering to deliver clear, strategic counsel. We focus on helping clients secure patent, trademark, and copyright protection tailored to their goals.

From early-stage filings to long-term planning, our services are designed to safeguard what clients create and support their continued growth.

Our IP Practice Areas

These core services support our broader intellectual property work, from registration and licensing to litigation and enforcement.

Patents

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Trademarks

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Copyrights

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Our Professionals

Each member of the Larson & Larson team is committed to client-focused service.

Bill Larson

Herbert W. “Bill” Larson, Esq.
Managing Partner/Owner

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James Larson, Esq.
Patent Attorney

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Frank Liebenow

Frank Liebenow
Patent Agent

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Mickey Larson

Mickey Larson
Office Administrator

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Why Choose Larson & Larson?

A local firm dedicated exclusively to IP law.

Top-rated IP firm in Florida

35+ years serving innovators

1,000+ IP filings handled

Responsive from day one

Family-owned, client-focused

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Why Choose Larson & Larson?

  • Top-rated IP firm in Florida
  • 35+ years serving innovators
  • 1,000+ IP filings handled
  • Responsive from day one
  • Family-owned, client-focused

Our Story

The way we work today reflects how the firm was established by Herbert Larson, Sr. back in 1987.

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Jim Seery

“The advice we received was thoroughly explained without any sticker shock. The entire process and cost was provided up front so we could make the best decision for our company.”

Tyler Ostheim

“They offer a good value for the service provided and have done everything they can to ensure I have been taken care of as a customer.”

David Hirsch

“They provide top-grade service and expertise at an exceptional value. They’re also extremely professional and responsive, far more so than some of the larger firms I’ve worked with in the past.”

Curtis Jackson

“They explained everything to me about my trademark. They made me feel safe and secure with my decision to use their services.”

Debrah Miceli

“I have been with this trademark company for over 25 years plus! I have recommended many people to this company, and they are all satisfied.”

Robert Green

“The process of filing my Trademark was fully explained, done professionally and expediently. Thank you Larson and Larson!!”

Rya Lauber

“Larson & Larson were wonderful to work with regarding the trademark of our business logo, as well as defending the trademark when a competing business came very close to copying it.”

Carol Staninger

“The Patent application process, and subsequent consultations with USPTO resulted in a patent issuance in short time. Thank you.”

Cathy Kersten

“The process to attain a Patent for my invention was SO very easy to do with Larson & Larson … their professionalism gave me a lot of confidence in what could have been a very stressful decision.”

Logan Vanghele

“Frank was very professional and thorough. He explained the patent process in detail and answered our many questions along the way. I will definitely work with Frank again.”

Jon Presti, Presti Machines

“I can accomplish many things, but patents are so detailed, and one wrong entry can cause months of delay. Larson & Larson accomplished this for me without a hiccup. I received my patent in the mail yesterday.” 

Ready to Protect What You’ve Created?

Call (727) 546-0660 to get started.

If we’re unavailable, please leave a message with the following details:

1. Your name and callback number
2. A brief description of what you need help with
3. Any urgent deadlines (if applicable)

We’ll get back to you promptly to discuss your options. 

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Explore Our IP Blog

Want to learn more about patents, trademarks, and other aspects of intellectual property law? Our blog breaks down complex topics into practical advice and plain English.

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