Abell v Screen Graphics CC (2005/6649) [2010] ZACCP 2; 2010 BIP 18 (CP) (9 March 2010)

Abell v Screen Graphics CC (2005/6649) [2010] ZACCP 2; 2010 BIP 18 (CP) (9 March 2010)

The court found that integer (e) of claim 1, which requires the banner of flexible material to be spanned by each rod in a plane defined by the rod and shaft, is an essential feature of the invention. The patent specification and claims do not suggest any alternative method of displaying the banner. The wording 'such that' and 'can' in integer (e) indicate that the banner must be installed in this manner for the invention to function as intended. Since the respondent's Lantern does not incorporate this feature, it does not infringe the patent. The applicant failed to prove infringement and did not satisfy the requirements for interim relief. The respondent's anticipation defence was not...

Citation
[2010] ZACCP 2
Parties
Applicant: Alistair Richard Abell; Respondent: Screen Graphics CC
Court
Court of the Commissioner of Patents
Jurisdiction
South Africa
Judgment Date
9 March 2010
Case Number
2005/6649
Procedural Posture
Final Interdict Application / Judgment
Outcome
Application dismissed; costs awarded against the applicant.
Judges
B.R. Southwood
Legal Topics
Patent Infringement, Essential Integers, Anticipation, Interim Interdict, Costs Award
Intellectual Property Patent Infringement Essential Integers Anticipation Interim Interdict Costs Award

Case Brief

Summary, issues, holding and outcome

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Parties

Alistair Richard Abell

Applicant

Screen Graphics CC

Respondent

Procedural Posture

Final Interdict Application / Judgment

Legal Issues

  1. 1 Whether the respondent's Lantern Advertising device infringes claim 1 of the applicant's patent.
  2. 2 Whether integer (e) of claim 1 is an essential feature of the invention.
  3. 3 Whether the patent may be revoked on the ground of anticipation by prior disclosure.

Ratio Decidendi

The court found that integer (e) of claim 1, which requires the banner of flexible material to be spanned by each rod in a plane defined by the rod and shaft, is an essential feature of the invention. The patent specification and claims do not suggest any alternative method of displaying the banner. The wording 'such that' and 'can' in integer (e) indicate that the banner must be installed in this manner for the invention to function as intended. Since the respondent's Lantern does not incorporate this feature, it does not infringe the patent. The applicant failed to prove infringement and did not satisfy the requirements for interim relief. The respondent's anticipation defence was not...

Court Disposition

Application dismissed; costs awarded against the applicant.

Orders

  • The application is dismissed.
  • The applicant is ordered to pay the costs of the application.