Winning Intellectual Property®

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About Sunstein

Sunstein LLP is an intellectual property law firm with expertise in all areas of IP law, passionately focused on our clients. Through technological insights and skilled advocacy we provide clients with a strategic advantage.

Our team combines extensive knowledge in technology, life sciences and business with deep expertise and experience as trial lawyers, patent prosecutors and trademark attorneys. At Sunstein clients have attention at the senior partner level.

With a global reach and vast collective knowledge, we provide our clients access to the latest IP developments and thought leadership so that they are aware of opportunities and risks that may impact their businesses.

Using innovative approaches to solving problems and delivering outstanding results, we focus on providing clients value by helping them win immediate objectives and achieve long-term goals.

Our boutique firm routinely wins significant cases against the largest firms.

Practice Areas


Our Litigation Group is comprised of trial attorneys who excel in all aspects of trial practice and are unwavering in advocating for the interests of our clients.

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Our Patent Practice Group includes registered patent attorneys who help our clients create valuable patent portfolios, always with an eye toward advancing their business objectives.

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Our Trademark Group counsels our clients in brand selection and protection and helps tailor brand strategies to meet our clients’ business needs.

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Our Business Group offers a variety of corporate legal services. We help our clients develop business structures that achieve the long-term goals of management and investors.

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Talent. Experience. Success.

Our practitioners combine extensive knowledge in science, engineering and business with expertise and deep experience as trial lawyers, patent prosecutors and transactional lawyers. We always put our client's needs first, and coupled with their legal and business acumen, our practitioners bring integrity and client responsiveness to every engagement - driving results to achieve client business goals. Our collective knowledge and global reach ensure that our clients have access to the latest thinking about all aspects of intellectual property.



Patent Litigation

FairWarning IP, LLC v. Iatric, Inc.; FairWarning IP, LLC v. CynergisTek, Inc.

We successfully defended clients Iatric and CynergisTek in the District Court and Federal Circuit against claims of patent infringement relating to software for detecting fraud and misuse of protected health information. Sunstein litigation group obtained judgments of patent invalidity under Section 101.


Infringement Award

Exergen Corporation vs. Kaz, USA, Inc.

Following a two-week jury trial for patent infringement, Sunstein litigation group won a $14.6 million dollar verdict on behalf of our client Exergen, the company famous for the temporal artery thermometer.


Trademark Litigation

Sage Therapeutics, Inc. v. Sage Naturals, Inc.

On behalf of our client Sage Therapeutics we brought suit against a medical marijuana dispensary using the name Sage Naturals. Sage Therapeutics is committed to developing novel medicines to treat patients suffering from depression and other CNS disorders. Sage Naturals subsequently changed its name to Sira Naturals.

Latest Articles

Our attorneys are often published in national business and legal journals and websites such as Business Week Online, Intellectual Property & Technology Law Journal, Investor Relations Newsletter and Journal of Biolaw and Business. Check out the latest articles as published in Sunstein Insights.


Commentary, opinion and insight.

Sunstein’s professionals are active outside the office, publishing their work in prestigious legal and business journals, giving presentations to professional organizations, and providing insights into current IP issues. Explore our thinking on a range of business, technology and legal issues.

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Contact Sunstein

We are ready to speak with you about your legal service needs. For full biographies and contact information please see our Attorneys pages.

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