Esco Corporation v PAC Mining Pty Ltd [2008] FCA 640

Esco Corporation v PAC Mining Pty Ltd [2008] FCA 640

The patents are valid and not anticipated nor obvious. The correct construction is: 'opening extending therethrough' requires an opening all the way through; 'digging edge' should not be narrowly confined; 'rigid lock' includes a lock with an adjustment assembly assembled for use. On these constructions, respondents' products do not infringe as their opening does not extend all the way through as required by claims 1 and 51 of Jones II and claim 1 of Jones III.

Parties
First Applicant/first Cross Respondent: ESCO CORPORATION; Second Applicant/second Cross Respondent: BRADKEN RESOURCES PTY LTD (ABN 82 098 300 988); First Respondent/first Cross Applicant: PAC MINING PTY LTD (ABN 11 007 694 895); Second Respondent/second Cross Respondent: CENTRAL QUEENSLAND MINING SUPPLIES PTY LTD (ABN 11 010 402 990)
Jurisdiction
Australia
Judgment Date
12 May 2008
Procedural Posture
Patent Infringement and Validity Proceeding / Post Trial Judgment
Outcome
The Court found the patents valid and not infringed; parties directed to draft final orders; costs reserved.
Legal Topics
Patent Infringement, Patent Construction, Patent Validity, Novelty, Obviousness, Fair Basis
Intellectual Property Law Patent Infringement Patent Construction Patent Validity Novelty Obviousness Fair Basis

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Parties

ESCO CORPORATION

First Applicant/first Cross Respondent

BRADKEN RESOURCES PTY LTD (ABN 82 098 300 988)

Second Applicant/second Cross Respondent

PAC MINING PTY LTD (ABN 11 007 694 895)

First Respondent/first Cross Applicant

CENTRAL QUEENSLAND MINING SUPPLIES PTY LTD (ABN 11 010 402 990)

Second Respondent/second Cross Respondent

Procedural Posture

Patent Infringement and Validity Proceeding / Post Trial Judgment

Legal Issues

  1. 1 Whether the respondents' wear assemblies infringe claims 1 and 51 of Jones II and claim 1 of Jones III.
  2. 2 Proper construction of the terms 'opening extending therethrough', 'digging edge', and 'rigid lock'.
  3. 3 Whether the relevant claims are invalid for lack of novelty, obviousness or fair basis.

Ratio Decidendi

The patents are valid and not anticipated nor obvious. The correct construction is: 'opening extending therethrough' requires an opening all the way through; 'digging edge' should not be narrowly confined; 'rigid lock' includes a lock with an adjustment assembly assembled for use. On these constructions, respondents' products do not infringe as their opening does not extend all the way through as required by claims 1 and 51 of Jones II and claim 1 of Jones III.

Court Disposition

The Court found the patents valid and not infringed; parties directed to draft final orders; costs reserved.

Orders

  • The parties are to consult with a view to agreeing upon and sending to the Associate in chambers Short Minutes of Order giving effect to the judgment.
  • If unable to agree, the parties are to send competing Short Minutes of Order with brief reasons.