John Eustice's practice focuses on the counseling and representation of businesses and individuals facing complex civil litigation or information technology issues. He has litigated a broad range of civil actions, with a particular emphasis on fiduciary disputes, non-profit corporation counseling and litigation, partnership controversies, whistleblower claims and employment discrimination matters. He has developed expertise in data privacy and data security issues, including issues relating to cloud computing services and cross-border transfers of electronic data. Mr. Eustice advises domestic and foreign clients on data privacy compliance and information technology contracts. He also has extensive experience in complex discovery, including all aspects of electronic and cross-border discovery. He is a contributing member of and panelist for The Sedona Conference®, an e-discovery think tank, in Working Group 1 (Electronic Document Retention and Production), Working Group 2 (Protective Orders, Confidentiality and Public Access) and Working Group 6 (International Electronic Information Management, Discovery and Disclosure).

Mr. Eustice’s recent engagements include counseling an international financial institution on data privacy and data security issues relating to cloud computing services contracts, representing non-profit corporations and partnerships in litigation spurred by internal dissention, defending non-profit and for-profit companies being investigated by governmental authorities, and counseling institutional clients on matters of privilege and confidentiality relating to disclosures by their former counsel. He has also been heavily involved in pro bono matters.

  • Advising an international financial institution with respect to data privacy, data security, jurisdiction and privileges and immunities issues implicated when negotiating cloud computing services and other information technology contracts, facilitating agreeable final contracts for such services. 
  • Counseling a health insurance company on data privacy, regulatory and contractual issues with respect to its disclaimers and representations to customers using its online resources, aiding the client in reducing risk and increasing clarity. 
  • Representing a non-profit corporation in a governmental investigation initiated by a purported whistleblower, successfully litigating significant confidentiality, privilege and ethics issues. 
  • Counseling a United Kingdom corporation on cross-border data privacy issues related to a contract with a United States corporation for information technology services to be provided in connection with a business venture in Africa.
  • Representing a United States corporation importing bulk oils in a classification dispute with the United States Customs and Border Protection currently in litigation before the Court of International Trade. 
  • Representing a former partner in a law practice on issues of dissolution and equity distribution, obtaining a favorable settlement. 
  • Representing a closely held corporation that invested in emerging medical technology in a dispute with a hospital, litigating the matter through discovery and trial in Maryland state court. 
  • Representing an investor in a dispute with an investment bank concerning a complex financial product comprised largely of sub-prime mortgage-backed securities, litigating the dispute in arbitration before the Financial Industry Regulatory Authority (FINRA) and negotiating a favorable settlement. 
  • Representing a client defending multiple civil suits under the Anti-Terrorism Act (ATA) and Torture Victim Protection Act (TVPA). Cases presented complex questions of jurisdiction, proof, liability, and other issues of first impression under the ATA and TVPA. Representation involved challenging discovery burdens, including locating and collecting archived material outside the United States and in a foreign language, interviewing numerous foreign witnesses and negotiating substantial geo-political hurdles to ensure effective representation. 
  • Representing a holding corporation and subsidiaries operating nursing home facilities in employment disputes with employees, obtaining favorable settlements.
  • Member, Working Groups 1, 2 and 6, The Sedona Conference®
  • Member, Litigation Section, American Bar Association
  • Secretary and Member, Board of Directors, Rosslyn Children's Center
Bar Admissions
  • District of Columbia
  • Pennsylvania
Court Admissions
  • Supreme Court of Pennsylvania
  • Pennsylvania Commonwealth Court
  • Pennsylvania Court of Common Pleas
  • District of Columbia Superior Court
  • United States District Court for the District of Columbia
  • United States District Court for the Eastern District of Pennsylvania
  • United States District Court for the Western District of Pennsylvania
  • United States Court of Appeals for the Third Circuit
  • United States Court of International Trade