IP representation for a variety of industries
Sarah Cassinis drafts and prosecutes domestic and foreign patent applications. Her other experience includes design patent drafting and prosecution, trademark and copyright matters, non-infringement and invalidity opinions, and freedom-to-operate searches. Sarah works with clients in multiple industries, including:
- Mechanical and electrical
 - Telecommunications
 - Software
 - Medical
 - Semiconductor
 
She is known for her innovative, effective and efficient work for her clients.
Experience in Action
- Provides patent, trademark and copyright client counseling and generates opinions regarding non-infringement and freedom-to-operate. Sarah also counsels clients on intellectual property (IP) strategy, including portfolio management, development and assessment of third-party rights.
 - Handles domestic and foreign patent prosecution matters.
 - Participates in adversarial proceedings, including inter partes review, appeals and other proceedings before the Patent Trial and Appeal Board (PTAB).
 - Organizes global assignment projects to update ownership of IP.
 
Successes
- Obtained patents and registered trademarks for clients in a broad range of industries.
 
Capabilities
Professional Recognitions
- Best Lawyers in America® "Ones to Watch" (2026: Intellectual Property Law, Litigation - Intellectual Property)
 
Professional & Civic Activities
- Colorado Intellectual Property American Inn of Court
 - Colorado Bar Association
 - Douglas County Bar Association
 - Denver Bar Association
 
News & Insights
Education
- University of Denver Sturm College of Law (J.D., 2016)
- Denver Law Review, managing editor
 
 - University of Denver (M.B.A., 2015)
 - Colorado School of Mines (B.S., magna cum laude, 2012)
- Engineering – Mechanical Specialty
 
 
Bar Admissions
- Colorado
 
Court Admissions
- U.S. Patent and Trademark Office