Mary Kay Brown

Two Commerce Square
2001 Market St.
Suite 3420
Philadelphia, PA 19103-7042
P (267) 861-5331 | F (267) 350-9050

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Mary Kay Brown

Mary Kay focuses her practice on business litigation and has successfully represented her clients in federal and state courts throughout the country. Her practice covers a wide range of business matters including theft of trade secrets, unfair competition and covenants not to compete. Mary Kay also handles intellectual property matters, including copyright and trademark infringement, and corporate governance and control issues such as shareholder and partnership disputes, breach of fiduciary duty claims, and director and officer as well as other professional liability claims. She also handles general commercial contract disputes, real estate-related litigation and financial institutions litigation. Representative work includes:

  • Prosecution of confession of judgment action and defense of lender liability claim resulting in complete recovery of debt owed plus $500,000 award of attorneys’ fees.
  • Successful defense of multi-million dollar claim against supplier of commercial goods under Article 29 of the UCC.
  • Won breach of contract claim in favor of clinical research organization against foreign sponsor of clinical trial and recovered judgment amount.
  • Successfully represented clients in major copyright cases, securing both monetary settlements and a consent order that client owned and had validly registered its copyright and was the original author of the infringed work.
  • Achieved favorable settlement in defense of a non-compete action between two Fortune 50 competitors in the food industry involving departing high level executive.
  • Represented maker of automotive parts in a $53 million replevin action to obtain critical tooling necessary to prevent shut down of vehicle manufacturing lines.
  • Successfully represented national IT staffing company in action against former president who sold his company to the client and then formed and “incubated” directly competitive businesses by stealing key management personnel and utilizing company resources.
  • Represented financial institution in borrower lawsuit alleging breach of contract and conversion which concluded with the voluntary withdrawal of the complaint against the bank.
  • Additionally, Mary Kay has gained significant experience over the years in the preservation and production of electronic evidence and its use at trial. Mary Kay’s peers have selected her as a Pennsylvania Super Lawyer®, an honor conferred upon the top 5% of lawyers in Pennsylvania, for the past eleven consecutive years.