Litebook Company Ltd. v. Apollo Light Systems Inc.

Litebook Company Ltd. v. Apollo Light Systems Inc.

The court held that allegations invoking s.53(1) to attack patent validity by reference to prosecution conduct and intent, as pleaded in paragraphs 13, 14 and 15 and part of 12(c), disclose no reasonable defence because they impermissibly rely on prosecution file history to defeat validity once a patent has issued; those paragraphs are struck without leave to amend. However allegations relevant to equitable remedies or to the counterclaim that do not amount to a direct attack on validity (paragraphs 21, 22, 25) survive. The prothonotary did not err in refusing particulars regarding inoperative subject matter at this stage, but did err in denying particulars for the defendant's denial of...

Citation
2006 FC 399
Parties
Plaintiff (defendant by Counterclaim): THE LITEBOOK COMPANY LTD.; Defendant (plaintiff by Counterclaim): APPOLLO LIGHT SYSTEMS INC.
Court
Federal Court
Jurisdiction
Canada
Judgment Date
29 March 2006
Procedural Posture
Patent Infringement Action and Counterclaim; Appeal of Prothonotary's Procedural Order / Motion to Appeal Prothonotary Order Regarding Particulars and Striking Portions of Statement of Defence and Counterclaim
Outcome
Appeal allowed in part; prothonotary's order varied as set out in reasons
Legal Topics
Patent Invalidity Under S.53(1), Prosecution History/file Wrapper, Striking Pleadings, Particulars of Pleadings, Equitable Remedies, Accounting of Profits
Source Language
English
Patent Law Intellectual Property Civil Procedure Equity Patent Invalidity Under S.53(1) Prosecution History/file Wrapper Striking Pleadings Particulars of Pleadings +2 more

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Parties

THE LITEBOOK COMPANY LTD.

Plaintiff (defendant by Counterclaim)

APPOLLO LIGHT SYSTEMS INC.

Defendant (plaintiff by Counterclaim)

Procedural Posture

Patent Infringement Action and Counterclaim; Appeal of Prothonotary's Procedural Order / Motion to Appeal Prothonotary Order Regarding Particulars and Striking Portions of Statement of Defence and Counterclaim

Legal Issues

  1. 1 Whether paragraphs alleging wilful misleading amendment under s.53(1) disclose a reasonable defence or must be struck as improper use of prosecution history to attack validity
  2. 2 Whether prosecution file history/file wrapper may be relied on to determine validity or scope of claims
  3. 3 Whether defendant must provide particulars for allegations that its products do not infringe including direct, induced or procured infringement

Ratio Decidendi

The court held that allegations invoking s.53(1) to attack patent validity by reference to prosecution conduct and intent, as pleaded in paragraphs 13, 14 and 15 and part of 12(c), disclose no reasonable defence because they impermissibly rely on prosecution file history to defeat validity once a patent has issued; those paragraphs are struck without leave to amend. However allegations relevant to equitable remedies or to the counterclaim that do not amount to a direct attack on validity (paragraphs 21, 22, 25) survive. The prothonotary did not err in refusing particulars regarding inoperative subject matter at this stage, but did err in denying particulars for the defendant's denial of...

Court Disposition

Appeal allowed in part; prothonotary's order varied as set out in reasons

Orders

  • Defendant must provide particulars supporting the pleading in paragraph 16 that there is no infringement.
  • Paragraphs 13, 14 and 15, and the specified portion of paragraph 12(c), are struck without leave to amend.