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Klarquist is a proven intellectual property law firm for science and technology companies looking to creatively protect and defend their ideas.


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Klarquist Welcomes Two New Partners and New Managing Partner in 2021

Klarquist is pleased to welcome Carsten Grellmann and Ryan Heck to the firm’s partnership effective January 2021, and to announce partner Todd Siegel as the firm’s new managing partner.

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Klarquist Wins Appeal, Affirming Earlier Summary Judgment Victory And Attorney Fee Award, For Client SAP America, Inc.

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patent defenses

Our online research tool summarizes substantive defenses to assertions of infringement of U.S. patents, with links to relevant case law.

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There’s safety in our numbers.

Klarquist’s professional staff of attorneys and patent agents hail from diverse backgrounds, and have deep and broad legal and industry experience.

MORE THAN 75 Years of IP Law Experience
MORE THAN 60 Attorneys & Patent Agents
MORE THAN 90% Of Our Professionals Have Technical Degrees

Klarquist Spotlight

Ethan A. McGrath


Ethan was recently welcomed to the firm’s partnership and was recognized for his leadership and exceptional legal and technical expertise. He is a member of Klarquist’s computer science and electrical engineering team where he focuses his practice on optics-related technologies. Ethan enjoys learning about cutting edge technologies and new applications.

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