Alyssa K. Sandrowitz


Alyssa Sandrowitz is an attorney in the Denver (not yet licensed in Colorado) office of Lewis Brisbois and a member of the Intellectual Property & Technology Practice. She is a registered patent attorney who has been helping clients develop and execute comprehensive patent strategies to leverage their IP to achieve their business goals for over a decade. Alyssa’s practice includes all aspects of intellectual property litigation, prosecution and counseling. She uses her engineering background to represent clients in a variety of technologies including semiconductor design and fabrication, battery chemistry and design, LCD devices, medical devices, alloy composition and methods of manufacturing, sporting goods and apparel, consumer electronics, consumer products both in district courts and before the U.S. Patent and Trademark Office.

Alyssa has served clients on a broad range of complex legal issues including:

  • Procurement of US and foreign patents
  • Design patents 
  • Counseling on patentability issues, freedom-to-operate studies, and opinions relating to infringement and validity
  • Contested proceedings before the USPTO including ex parte and post-grant proceedings
  • Patent litigation
  • Due diligence investigations

With a hybrid experience of patent prosecution and litigation, Alyssa is in a unique position to counsel clients on how to cultivate a patent portfolio and prosecute patent applications with an eye towards litigation.

In the area of USPTO contested proceedings, Alyssa has served as counsel to some of the largest corporations in the world in inter partes review and reexamination matters, which often involve co-pending district court litigation. Clients seek out Alyssa’s expertise in USPTO contested proceedings and trials because of her proven track record of success for both patent owners and petitioners.

Clients also consult with Alyssa for her unique experience in design patents. Having prosecuted nearly 400 design patents in the US and abroad, Alyssa has a keen eye for the details. She has secured design protection for some of today’s most recognizable consumer electronics.

Prior Experience

  • Polsinelli, 2014-2017
  • McKenna Long & Aldridge, 2010-2014
  • Sterne Kessler Goldstein & Fox, 2006-2010


  • Easier AIA Review Amendments Still May Not Be Best Option, August 27, 2015, IP Law360
  • PTAB Opens Door to Amendments in Post-Grant Proceedings, August 6, 2015, IP Law360
  • Inter Partes Review Strategy after PTAB’s Cuozzo Ruling, March 12, 2015, IP Law360

Professional Presentations

  • Hot Topics in AIA Trials, Intellectual Property Owners’ Association (IPO) Annual Meeting, September 19, 217, moderator
  • Patent Litigation 2017: The Courts and Patent Trial and Appeal Board, Major Regional Program, February 17, 2017, Federal Circuit Bar Association, panelist 
  • Delving Deeper into the Legal Implications of SC’s Conclusion on the Cuozzo Case, Live CLE Webinar, January 20, 2017, The Knowledge Group, speaker


  • State Bar Admissions
    • District of Columbia
    • Virginia
  • United States District Courts
    • United States District Court for the District of Colorado
  • Other Admissions
    • United States Patent & Trademark Office



District of Columbia

United States Patent and Trademark Office

U.S. District Court for the District of Colorado

Not yet admitted in Colorado


  • Colorado IP Inn of Court
  • PTAB Bar Association
  • American Bar Association, IP Section


American University, Washington College of Law

Juris Doctor, 2007

Princeton University

Master of Science in Engineering, Mechanical Engineering, 2002

Rutgers University

Bachelor of Science in Ceramic/Materials Engineering, 1999

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