Best Lawyers logo
  • Lawyers
  • Methodology
  • NEW! Ones to Watch
  • Partnerships
  • Nominate a Lawyer
  • Log In
  • Lawyers
    • Advanced Search
    • COVID-19 Assistance
    • Featured Ones to Watch
    • Lawyer of the Year
    • Highlighted Lawyers
    • Nominate a Lawyer
  • Methodology
    • Overview
    • Ones to Watch
    • Editorial Timelines
    • Practice Areas
    • Publicizing Guidelines
    • FAQ
  • Publications
    • Family Law
    • New York Area
    • Canada
    • South Florida
    • Southern California
    • Northern California
    • Tampa
    • Midwest
  • Legal Insights
    • Featured Articles
    • In the News
    • Advisory Board
    • Meet the Board
    • Press & Events
  • About
    • Global Presence
    • Company History
    • Leadership
  • Ones to Watch
  • Partnerships
  • Nominate a Lawyer
  • Log In Log In
  • Nominate a Lawyer
  • Log In

Lawyer Profile

Image of Karim Z. Oussayef

Karim Z. Oussayef

Desmarais LLP
  • Recognized Since:
    2021
  • Recognized in:
    Patent Law
  • Law School:
    Boston University School of Law
  • Website:
    http://www.desmaraisllp.com
  • E-mail:
    koussayef@desmaraisllp.com
  • Location:
    230 Park Avenue
    New York, NY 10169
Karim Oussayef is a partner of Desmarais LLP, where his practice focuses on a wide variety of offensive and defensive technology litigation, especially cases headed for jury trial. Mr. Oussayef has litigated patent, trade secret and contract cases on subjects that include networking devices, telephony, cable television, e-commerce platforms, web and mobile applications, antibody therapies and medical devices, among many others. Mr. Oussayef is experienced in a variety of forums, including federal district court, state trial court, the Patent Trial and Appeal Board and the U.S. Court of Appeals for the Federal Circuit. Mr. Oussayef started his career at Ropes & Gray, as part of the Fish & Neave Intellectual Property Group. In 2011, Mr. Oussayef joined Desmarais LLP soon after it was founded to help build the new firm. After several successful years, Mr. Oussayef was elected partner in 2017. Mr. Oussayef is admitted to the Bars of New York and Massachusetts, as well as the U.S. Court of Appeals for the Federal Circuit and various federal district courts.
Continue Reading
  • Lawyer Bio
  • Client Comments
  • Firm Details
  • News & Media

Lawyer Bio

Karim Oussayef is a partner of Desmarais LLP, where his practice focuses on a wide variety of offensive and defensive technology litigation, especially cases headed for jury trial. Mr. Oussayef has litigated patent, trade secret and contract cases on subjects that include networking devices, telephony, cable television, e-commerce platforms, web and mobile applications, antibody therapies and medical devices, among many others. Mr. Oussayef is experienced in a variety of forums, including federal district court, state trial court, the Patent Trial and Appeal Board and the U.S. Court of Appeals for the Federal Circuit. Mr. Oussayef started his career at Ropes & Gray, as part of the Fish & Neave Intellectual Property Group. In 2011, Mr. Oussayef joined Desmarais LLP soon after it was founded to help build the new firm. After several successful years, Mr. Oussayef was elected partner in 2017. Mr. Oussayef is admitted to the Bars of New York and Massachusetts, as well as the U.S. Court of Appeals for the Federal Circuit and various federal district courts.
Read more on firm website
  • Education
  • Bar Admissions
  • Affiliations
  • Award List
  • Additional Information

Education:

  • Boston University School of Law , J.D., magna cum laude, graduated 2008
  • University of Rochester, B.S., cum laude, graduated 2004

Bar Admissions:

  • New York, 2009
  • Massachusetts, 2008

Affiliations:

  • Massachusetts Bar Association - Member
  • New York State Bar Association - Member

Recognized in The Best Lawyers in America for work in:

  • Patent Law
 

Awards:

    • IAM 1000 - Individual Recognition for Litigation
    • Law360 Rising Star

Additional Information:

Areas of Expertise
  • Litigation
  • Patent
  • Trade Secrets
 

Lawyer Client Comments

Firm Details

Image for Desmarais LLP View Firm Profile
Desmarais LLP
http://www.desmaraisllp.com
 
Headquarters
230 Park Avenue
New York, NY 10169
(212) 351.3400
2 Office Locations
in 1 Country

United States

United States

California

California

San Francisco, CA

101 California Street

San Francisco, CA 94111

United States

(415) 573.1900

Get Directions

News & Media

Featured Publications

Cover for our New York Area publication
 
Add Comment
In making your comments, please do not refer to a pending legal matter.
(*) Required Fields
There was an error during saving, please try again.
If you continue to get this message, please contact us at info@bestlawyers.com or 803.648.0300 for assistance.
Please complete the captcha then submit.
Your comment was saved successfully!
Thank you for your feedback.
  • Find a Lawyer
  • Nominate a Lawyer
  • Legal Insights
  • Contact Us
Lawyers 
  • Advanced Search
  • COVID-19 Assistance
  • Featured Ones to Watch
  • Lawyer of the Year
  • Highlighted Lawyers
  • Nominate a Lawyer
  • Find a Lawyer
Methodology
  • Overview
  • Ones to Watch
  • Editorial Timelines
  • Practice Areas
  • Publicizing Guidelines
  • FAQ
Publications
  • Business Editions
  • Regional Editions
  • Partnerships
  • Become a Contributor
Legal Insights
  • Featured Articles
  • In the News
  • Advisory Board
  • Meet the Board
  • Press & Events
  • Best Law Firms
  • Subscribe
About
  • Global Presence
  • Company History
  • Leadership
  • Founders
  • Press Releases
  • Testimonials
  • Contact Us
  • Careers
My Account
  • Log In
  • Store
  • Marketing Guidance
Best Lawyers Best Lawyers logo +1-803-648-0300
801 Broad Street, Suite 950 Augusta, GA 30901
  • Twitter
  • LinkedIn
  • Facebook
  • Privacy Policy
  • Cookie Policy
  • Terms and Conditions
  • Lawyer Directory
  • Best Law Firms

© 2010-2021 Best Lawyers — All Rights Reserved.

BL Icon

LEGAL INSIGHTS

by Best Lawyers®



Get the latest insights on the news, trends, and people that shape the global legal field with our weekly email digest.

Please enter a valid email address.

You have already subscribed.





PRIVACY POLICY

Thank you for subscribing.