Leopold, Petrich & Smith Legal Team Joins Ballard Spahr

Two nationally renowned Media and Entertainment Law practices have joined forces to create a powerhouse team with an expanded presence in Los Angeles.

Ballard Spahr was named 2019 Law Firm of the Year for Media Law and Copyright Law by U.S. News and World Report – Best Lawyers. It also serves clients in business and transactions, finance, intellectual property, litigation, and real estate, with lawyers in 15 offices around the country.

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Practice Areas

  • Entertainment
  • Civil Litigation
  • Copyright and Trademark
  • Libel and Slander
  • Unfair Competition


  • University at Buffalo Law School, 1976, J.D.
    • Research Editor, Buffalo Law Review, 1975 - 1976
  • New College, 1973, B.A.


  • California, 1976


2049 Century Park East
Suite 3110
Los Angeles, CA 90067

Phone: 310-277-3333
Fax: 310-277-7444
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Vincent Cox

Mr. Cox practices in the area of Media and Entertainment Law and Civil Litigation, with special focus on Copyright & Trademark, Libel & Slander, and Unfair Competition.

Mr. Cox advises media clients on a range of intellectual property and licensing issues in traditional and new media contexts.

Selected Experience:

  • Lead attorney for Defendants in obtaining summary judgment in copyright claim against The Dark Tower prose novels, graphic novels, and theatrical film in DuBay v. King, et al.
  • Lead attorney for Defendants in obtaining summary judgment in defamation claim alleging libel by fiction in theatrical film, The Wolf of Wall Street, Greene v. Paramount Pictures, Corp.
  • Lead trial attorney for defendants in obtaining a defense jury verdict in  Martin v. Jarmusch, et al., copyright infringement and implied contract claim against makers of film  Broken Flowers;
  • Trial and lead  appellate attorney for Jobete Music Co. in obtaining and affirming a defense jury verdict in DeWalt v. Jobete Music Co., in a copyright ownership and royalties dispute relating to the Junior Walker catalog;
  • Lead trial and appellate counsel in obtaining and affirming judgment for defendants in Kramer v. Thomas, et al., a copyright infringement, fraud and contract claim stemming from the film  MC5: A True Testimonial
  • Lead trial and appellate counsel in obtaining reversal of summary judgment in SOS v. Payday, 886 F.2d 1081 (9th Cir. 1989), copyright infringement and trade secret claim raising issues of first impression as to identity of author of computer software and scope of rights of ownership of computer program copyrights;  
  • Lead trial and appellate counsel in obtaining and affirming defense summary judgment in Effects Associates, Inc. v.  Cohen, et al., 817 F.2d 72 (9th Cir. 1987) and 908 F. 2d 555 (9th Cir. 1990) copyright infringement claim determining standards for implication of licenses to incorporate copyrightable material within a work; and 
  • Lead defense counsel in numerous trademark, copyright and defamation lawsuits.


  • New York State Unfair Competition Law: A Survey and Analysis, Buffalo Law Review, Vol. 25, 1975

Professional Activity:

  • Los Angeles County Bar Association, Member
  • California State Bar Association, Member
  • Los Angeles Copyright Society, Member and former Trustee