Notable Successes

Leslie M. Spencer

Desmarais LLP today announced that Leslie Spencer has joined the firm as a partner in its New York City office, effective March 31, 2020.  Ms. Spencer will focus on patent litigation in the technology sector.
 
“We’re very pleased to have Leslie join the firm,” said John Desmarais, founding partner of Desmarais LLP. “She’s a leading patent litigator who brings decades of experience overseeing technology cases. Leslie is a great addition to our team.”
 
With the addition of Ms. Spencer, Desmarais LLP has 15 partners and 60 total attorneys. The intellectual property litigation firm was founded by John Desmarais in New York City in 2010 and opened its second office in San Francisco in 2019. The firm handles patent, trade secret, trademark, copyright, antitrust and other competition disputes spanning a range of technologies, including computer hardware and software, pharmaceuticals, biotech, and medical device litigation.
 
Ms. Spencer is a registered patent attorney who has spent more than 20 years litigating intellectual property cases and counseling clients. She has represented plaintiffs and defendants in disputes in federal court and before the Patent Trial and Appeal Board, including in inter partes review proceedings. She has represented major U.S. and multinational companies in disputes involving computer software, artificial intelligence, automotive technology, financial technology, blockchain, network communications, encryption and security protocols, semiconductor design and manufacturing, medical devices, and healthcare information technology.  She is also a frequent speaker and has authored numerous articles on blockchain, artificial intelligence, and other topics.  
 
“I’m thrilled to be part of the Desmarais LLP team and look forward to contributing to the firm’s continued success,” Spencer said. “Desmarais LLP is one of the top patent litigation firms in the industry with a consistent track record of winning at trial and on appeal. I’m also pleased to be joining a group of patent litigators with extensive science and technology backgrounds.” 

Ms. Spencer received a J.D. degree from New York University, a LL.M. in trial advocacy from Temple University, an MBA from the University of Michigan, and a bachelor’s degree in computer science and engineering from the Massachusetts Institute of Technology.
 
Ms. Spencer spent nearly a decade as a partner at Ropes & Gray LLP where she served as co-chair of the firm’s diversity committee. She was also named one of New York Law Journal’s 30 “Top Women in Law 2016” and has been listed among New York Metro Super Lawyers since 2013. 

Leslie M. Spencer