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About Phyllis

Phyllis K. Kristal is a principal in the Washington, D.C., office of Fish & Richardson P.C. Ms. Kristal joined the firm 1993. She has advised clients large and small in all industry sectors on IP matters for 25 years, including filing and prosecuting patent applications, reissues and reexaminations, and conducting freedom to operate, patentability, validity, infringement, landscape, and due diligence studies. With a mechanical engineering background, Ms. Kristal has seen the entire range of IP issues a company of any size may encounter, and has proven experience counseling companies on navigating the IP world.

Ms. Kristal previously worked at DEKA R&D on the development of mobility aids for the disabled, and at Candela Laser Corp. on the design of laser catheters for angioplasty, biliary stones, eye surgery, and dermatology.

Undergraduate thesis on the design and construction of a video-graphic arthroscopy system. Patent held on thesis work and for work at DEKA. Graduate thesis on the measurement of tension in carpal ligaments. Certified EMT.  

Inventor on Patents

Transportation vehicles and methods, U.S. 5,971,091, issued October 26, 1999

Human transporter, U.S. 5,701,965, issued December 30, 1997

Video-graphic arthroscopy system, U.S. 5,005,559, issued April 9, 1991

Named a “Leading Patent Professional” by IAM Patent 1000 (2016-2021).

Focus Areas
Education

J.D., Suffolk University Law School (1999)


M.S., Mechanical Engineering, University of Washington (1991)


B.S., Mechanical Engineering, Massachusetts Institute of Technology (1987)

Admissions
  • U.S. Patent and Trademark Office 1994
  • Massachusetts 2000
  • District of Columbia 2001

What's trending with Phyllis

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News
July 7, 2021
Fish & Richardson Receives Top Rankings in 2021 Edition of IAM Patent 1000: The World’s Leading Patent Professionals
Recognition
News
News
August 12, 2020
Fish & Richardson Receives Top “Gold” Ranking from IAM Patent 1000 for National Litigation Practice; National Rankings in the Plaintiff Firm and Prosecution Firm Categories
Press Release
Recognition
News
News
June 20, 2019
Fish & Richardson Receives Top “Gold” Ranking from IAM Patent 1000 for National Patent Litigation Practice
Press Release
Recognition
News
News
March 12, 2019
Fish & Richardson Receives “Champions for Children” Award from Children’s Law Center
Press Release
Recognition
News
News
June 14, 2018
Fish Receives Top “Gold” Ranking from IAM Patent 1000 for National Patent Litigation Practice
Press Release
News
Event
December 13th, 2017 | 12:00 pm EST
DC IP Roundtable for Startups: The Making of a Patent
Speaking Engagement
Event
February 7th, 2018 | 12:00 pm EST
DC IP Roundtable for Startups: Corporate and Securities Issues for Entrepreneurs
Event
September 27th, 2017 | 12:00 pm EDT
DC IP Roundtable for Startups: What Every Entrepreneur Should Know About Patents
Speaking Engagement
News
July 24, 2017
Fish & Richardson Receives Top “Gold” Ranking from IAM Patent 1000 for National Patent Litigation Practice
Press Release
News
Event
June 14th, 2017 | 12:00 pm EDT
IP Roundtable for Startups: Exit Planning - It's Never Too Early
Speaking Engagement
Event
February 8th, 2017 | 12:00 pm EST
IP Roundtable for Startups: Patent Q&A
Speaking Engagement
Event
November 29th, 2016 | 12:00 pm EST
IP Roundtable for Startups: Storytelling for Entrepreneurs
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