Tamasin Jonker

ChambersFrancis Burt Chambers
Street AddressLevel 16, Allendale Square, 77 St George's Terrace, Perth Western Australia 6000
Postal AddressGPO Box C122 , Perth Western Australia 6839
DX AddressDX 182, Perth
Telephone(08) 9220 0341
Mobile0423 771 048
Fax(08) 9325 9111
Year Admitted to Practice 2001
Year Elected to WABA2017
Year Appointed QC/SC
QualificationsB Comm LLB (Hons) (The University of Sydney)
CVClick to View CV

Tamasin practises in all areas of commercial law with a particular focus on: 

  • Corporations Act disputes including directors duties and minority shareholder disputes;
  • Contractual disputes (including distributorship agreements, share sale agreements, real estate contracts, leases, partnership agreements);  
  • Civil fraud; and
  • Regulatory matters, specialising in consumer and competition law with experience in investigations and associated litigation conducted by the ACCC, ASIC, ICAC and APRA. Tamasin is also a member of the Competition and Consumer Committee of the Law Council of Australia, Business Law Section.

Before joining the Bar, Tamasin was a solicitor in private practice at Norton Rose Fulbright (Perth) and before that at Henry Davis York (Sydney). Tamasin also worked in London in the House of Commons advising on Brexit and managing an investigation into the United Kingdom’s involvement in the extraordinary rendition regime run by the CIA during the war on terror.


  • Commercial Law
  • Competition Law
  • Consumer Protection
  • Corporations
  • Disciplinary Tribunals
  • Employment Law
  • Equity
  • Intellectual Property
  • Landlord & Tenant
  • Professional Negligence
  • Trade Practices

Liability limited by a Scheme approved under the Professional Standards Legislation