Van H. Leichliter
Counsel | Valley Forge, PA
P: (610) 993-4211
F: (610) 407-0701
Mr. Leichliter recently joined RatnerPrestia as Counsel and will concentrate his practice on trademarks, copyrights, and Internet domain names in RatnerPrestia's Trademark Center.  Mr. Leichliter recently retired from E. I. du Pont de Nemours and Company (DuPont) where he was their global IP leader for trademarks, copyrights and Internet domain names for the last seven years.  Mr. Leichliter previously served as business counsel for various DuPont business enterprises relating to chemicals, plastics, pharmaceuticals, textile fibers, elastomers, electronics, and international.  He also served as Vice President of Endo Laboratories and later as Executive Vice President of DuPont Photomasks, at the time they were subsidiaries of DuPont.
Mr. Leichliter's broad background in business law as counsel to many DuPont businesses has enabled him to understand complex business strategies and to help achieve these strategies through utilization of trademarks, copyrights, and domain names.  
His responsibility for DuPont’s worldwide trademark portfolio included prosecuting and maintaining thousands of trademark registrations, and for protecting and enforcing those trademarks while ensuring DuPont’s freedom from trademark, copyright, and domain name claims of others.
Under his leadership, the DuPont Trademark Group expanded its practice into global anti-counterfeiting protection and Internet law.  The Group won the prestigious North American Trademark Group of the Year award from the World Trademark Review in 2009.  
Mr. Leichliter was a member of the Trademark Public Advisory Committee at the United States Patent and Trademark Office from 2007-2009 and Co-Chairman of the International Trademark Law Committee of the Intellectual Property Organization (IPO).  He served as Chairman of the Trademark Section of the IPO Annual Meeting and as a member of the China Sub-Committee, Anti-Counterfeiting Committee of the International Trademark Association (INTA).  Mr. Leichliter has hosted several INTA roundtables and has presented on numerous topics in the field of intellectual property law including trademark licensing, anti-counterfeiting initiatives, and the Madrid Protocol before the INTA, IPO, and the USPTO.
Articles & Presentations

Bar Admissions
  • Ohio (1970)

  • J.D., University of Michigan Law School (1969)
  • B.A., Yale University (1966)

  • American Bar Association
  • International Trademark Association (2004-2011) 
    • China Subcommittee of Anti-Counterfeiting
  • Intellectual Property Owners Association (2004-2011) 
    • Co-Chairman, International Trademark Committee
    • Chairman, annual meeting for trademarks section (2009)
    • Trademark Public Advisory Committee

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