Sprayworx Pty Ltd v Homag Australia Pty Ltd [2016] NSWSC 51

Sprayworx Pty Ltd v Homag Australia Pty Ltd [2016] NSWSC 51

The affidavits should not be excluded merely because Messrs Duwentäster and Bauersfeld were involved in the events and may have views adverse to Sprayworx. Mr Bauersfeld's opinion was limited to the value of Sprayworx's expert's inspection-based opinion, and alleged partiality was not intimately concerned with that issue. Mr Duwentäster's factual involvement and technical opinions could be distinguished, and any asserted infection of the latter by the former could be tested in cross-examination. The material did not show that his technical opinions were so compromised that all of his evidence should be rejected, and excluding his factual evidence would significantly prejudice Homag.

Jurisdiction
Australia
Judgment Date
11 February 2016
Procedural Posture
Procedural and Other Rulings; Evidence Ruling in Proceedings Alleging Defective Machine, Unfitness for Purpose, Lack of Merchantable Quality, and False, Misleading or Negligent Representations / Plaintiffs' Application to Exclude the Evidence of Messrs Duwentäster and Bauersfeld
Outcome
The plaintiffs' application to exclude the evidence of Messrs Duwentäster and Bauersfeld is dismissed.
Legal Topics
['expert Evidence' 'expert Witness Independence and Impartiality' 'witnesses of Fact Giving Expert Opinion' 'admissibility of Affidavit Evidence' 'cross Examination as Protection Against Alleged Bias']
['evidence' 'civil Procedure'] ['expert Evidence' 'expert Witness Independence and Impartiality' 'witnesses of Fact Giving Expert Opinion' 'admissibility of Affidavit Evidence' 'cross Examination as Protection Against Alleged Bias']

Case Brief

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Procedural Posture

Procedural and Other Rulings; Evidence Ruling in Proceedings Alleging Defective Machine, Unfitness for Purpose, Lack of Merchantable Quality, and False, Misleading or Negligent Representations / Plaintiffs' Application to Exclude the Evidence of Messrs Duwentäster and Bauersfeld

Legal Issues

  1. 1 ["Whether the defendant's expert witnesses, who were also witnesses of fact in events giving rise to the dispute, were so biased or partial that their affidavit evidence should be excluded." "Whether the experts' close relationship to Homag and their dealings with or comments about Mr Pinto demonstrated a lack of objectivity sufficient to reject their evidence out of hand." 'Whether any overlap between lay observations and expert opinions should be managed by cross-examination rather than exclusion.']

Ratio Decidendi

The affidavits should not be excluded merely because Messrs Duwentäster and Bauersfeld were involved in the events and may have views adverse to Sprayworx. Mr Bauersfeld's opinion was limited to the value of Sprayworx's expert's inspection-based opinion, and alleged partiality was not intimately concerned with that issue. Mr Duwentäster's factual involvement and technical opinions could be distinguished, and any asserted infection of the latter by the former could be tested in cross-examination. The material did not show that his technical opinions were so compromised that all of his evidence should be rejected, and excluding his factual evidence would significantly prejudice Homag.

Court Disposition

The plaintiffs' application to exclude the evidence of Messrs Duwentäster and Bauersfeld is dismissed.

Orders

  • ["The plaintiffs' application to exclude the evidence of Messrs Duwentäster and Bauersfeld is dismissed." 'The affidavits of both Messrs Duwentäster and Bauersfeld should be admitted, subject only to particular objections to which the Court might in due course be directed.']