Joshua L. Cohen
Shareholder | King of Prussia, PA
P: (610) 993-4240
F: (610) 407-0701
Mr. Cohen has been practicing intellectual property law since 1992, drawing from his engineering background and legal experience to help emerging companies and global corporations achieve their commercial objectives. He helps them to facilitate and promote innovation, and secures the competitive advantage of their innovative product offerings. 
As a trusted counselor, Mr. Cohen helps his clients to protect and respect intellectual property rights—he develops strategies that protect technology and design innovations while proactively identifying and avoiding business risks. Mr. Cohen also helps his clients to integrate their IP-related actions into their product development processes, ensuring that the right IP actions are completed and at the right stages of product innovation.
In guiding clients toward achieving their commercial objectives, Mr. Cohen:
  • procures strategic utility and design patent protections
  • proactively identifies and mitigates infringement risks
  • coordinates global patent and trademark protections and strategies
  • performs patent infringement and validity assessments
  • conducts due diligence studies of IP rights and risks
Mr. Cohen founded and chairs RatnerPrestia's Design Rights Group, which protects product designs ranging from luxury automobiles and timepieces to consumer electronics for some of the world's leading design–forward companies. 
Mr. Cohen has authored numerous publications about IP law and strategy, including articles and book contributions. His works are featured in U.S. and international publications including peer-reviewed conference proceedings, law and medical journals, trade magazines, and books on topics ranging from design management to brand strategy.
Mr. Cohen lectures regularly on topics of IP strategy, patent practice, and design protection. He is a Lecturer in graduate programs of the University of Pennsylvania, Lehigh University, and Philadelphia University.  He has also lectured at conferences of the American Intellectual Property Law Association (AIPLA), the Licensing Executives Society (LES), the Industrial Designers Society of America (IDSA), the Product Development and Management Association (PDMA), and the Design Management Institute (DMI).
Mr. Cohen is President of the Product Development and Management Association (Greater Philadelphia Chapter), an association of product innovation professionals.  He is also a President Emeritus of the Benjamin Franklin American Inn of Court, an organization chartered to advance excellence, ethics and professionalism in the field of IP law.  Also, he co-chairs the Membership Committee of the Tokyo IP American Inn of Court, the first ever American Inn of Court located outside the U.S.
Mr. Cohen is the Chair of RatnerPrestia’s Design Rights Group.  He is also a Member of RatnerPrestia's Mechanical and Physical Sciences Group.
Practice Expertise Bio(s)

Articles & Presentations

Bar Admissions
  • Pennsylvania (1992)
  • United States Patent and Trademark Office (1994)

  • J.D., Cum Laude, Widener University (1992)
    • Editor-in-Chief of Law Review
  • B.S., Mechanical Engineering, Lehigh University (1985)

  • Product Development and Management Association
    • President, Greater Philadelphia Chapter
  • Benjamin Franklin Inn of Court
    • President Emeritus (2004-2005)
    • Vice President (2002-2003)
    • Chair (2002-2003)
  • Tokyo IP American Inn of Court
    • Executive Committee Member
    • Co-Chair, Membership Committee
  • Philadelphia Intellectual Property Law Association
    • Past Chair, Patent Legislative Committee
  • American Intellectual Property Law Association
    • Industrial Designs Committee
  • Intellectual Property Owners Association
    • Design Rights Committee
  • American Bar Association
    • Intellectual Property Law Section
  • Industrial Designers Society of America
    • Design Protection Section
    • Design Management Section
    • Product Development Section
  • Pennsylvania Bar Association
    • Intellectual Property Law Section

  • The Best Lawyers in America©, 2016
    • Patent Law


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