Priscilla Blackadder

Priscilla is a Special Counsel at HWL Ebsworth in the Commercial Litigation Team

A highly experienced litigator and former commercial barrister with particular expertise intellectual property (copyright, trade marks and designs), competition and consumer law, media (defamation), privacy, equity, regulatory and general commercial law. Priscilla also has experience in administrative law having acted for various government departments at Federal, State and Local level.

An experienced advocate, Priscilla has appeared before Courts and Tribunals at State and Federal level with a particular passion for acting and appearing in injunctions seeking urgent interlocutory relief.

Priscilla is also well versed in dealing with regulatory complaints including representing clients in respect to defending allegations made by ACMA, APRA/AMCOS, ASIC and ACCC.

She also has an interest in white collar crime and has acted in matters involving allegations of corporate fraud and defending clients in ASIC prosecutions.

Priscilla has acted for high profile clients in well publicised litigation, including acting as a solicitor and later junior Counsel for Larrikin Music in the long running dispute with the writers and music publishers of Men at Work’s Down Under in relation to copyright infringement of Kookaburra Sits in the Old Gum Tree.

Priscilla’s experience includes providing risk management advice to clients seeking assistance with intellectual property and brand protection issues. She has extensive experience in assisting clients with managing trade mark portfolios including navigating clients through third party oppositions and overcoming adverse examination reports.


Priscilla’s recent experience includes acting for:

  • A large media organisation in complex multi-party proceedings in the Supreme Court of NSW involving a nationally recognised law firm and international bank in associated claims arising out of a multi-million dollar fraud committed by an employed solicitor;
  • An international pharmaceutical company in regards to a Federal Court dispute concerning a comparative advertising campaign run by its competitor;
  • A Major developer in defence of complex class action proceedings involving the characterisation / construction of contracts for sale of units in a development comprising of over 300 class members;
  • A former CEO of a large international company in respect of allegations of financial misconduct;
  • A large transportation company in respect of a professional negligence / deceit claim against its former financial accountants which resulted in a multi-million dollar judgment and an indemnity gross-sum costs order;
  • Multinational pharmaceutical companies in obtaining urgent injunctions restraining competitors from broadcasting national advertising campaigns which involve alleged misleading ‘comparative’ claim.

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