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discipline 4 October 2026
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Decision record

KENNETH PAUL BATES

JurisdictionAustralia — Western Australia
BodyLegal Practice Board of Western Australia (LPBWA)
Professionlawyer — 1st Floor, International House 26 St Georges Terrace PERTH WA 6000
Case numberLegal Profession Complaints Committee v Bates [2012] WASAT
Date20 July 2012
HearingState Administrative Tribunal
OutcomeUnsatisfactory Professional Conduct

Allegation / charges

Unsatisfactory Professional Conduct

Findings — machine-extracted (anthropic-batch:claude-opus-4-8); verify against the decision

SanctionFine
FineAUD 10,000
CostsAUD 3,500
Dishonesty foundNo

Kenneth Paul Bates, a senior Crown prosecutor, was found by consent to have engaged in unsatisfactory professional conduct arising from the 1995 wilful murder prosecution of Andrew Mallard. He breached the prosecutor's duty of disclosure, failed to ensure an evidentiary foundation for his opening submission that the murder weapon was a wrench sketched by Mr Mallard, failed to lead independent supporting evidence, and failed to withdraw that submission. The Committee did not allege, and the Tribunal did not find, deliberate/dishonest conduct. The Tribunal accepted the failures were inadvertent and imposed a reprimand, a $10,000 fine (the maximum under the applicable 1893 Act) and $3,500 costs, finding the penalty within the appropriate range.

Duties found breached:

Aggravating factors:

  • Conduct occurred in a wilful murder prosecution with potentially serious consequences for the accused
  • Reliability of the confessional material was of central importance to the case

Mitigating factors:

  • No allegation or finding that the conduct was deliberate/intentional; failures were inadvertent
  • Conduct occurred almost 17 years earlier
  • First murder trial, lengthy and complex, heavy workload and limited preparation time
  • Cooperation via mediation and agreed facts; practitioner provided a candid explanation willing to be verified on oath

Duties engaged

Documents

Source: https://www.lpbwa.org.au/getmedia/e88f5464-6f25-45e2-b150-f9c594dd81c1/register_of_disciplinary_action.pdf