Martin v Scribal Pty Ltd [1954] HCA 48

Martin v Scribal Pty Ltd [1954] HCA 48

The claim in No. 122073 requires the reservoir to follow an 'extended path', construed as non-straight or winding; thus, a straight tube does not infringe. For No. 133163, the ambiguity alleged regarding the feed duct is insufficient to invalidate the claim: the requirement that the feed duct, particularly that portion adjacent the ball, be less than that of the reservoir, is a workable directive to a skilled person. The specification must be read in the context of normal use. However, in the absence of evidence to rebut, the specification as originally lodged did not disclose the invention ultimately claimed and patented, supporting the inference that the applicant was not in possession...

Parties
Plaintiff; Appellant; Respondent (in Cross Appeal): Henry George Martin; Defendant; Respondent; Appellant (in Cross Appeal): Scribal Proprietary Limited
Jurisdiction
Australia
Judgment Date
14 September 1954
Procedural Posture
Appeal and Cross Appeal From Judgments in Patent Infringement Actions / High Court of Australia, on Appeal From Supreme Court of Victoria
Outcome
Appeal in action No. 314 of 1947 dismissed. In action No. 58 of 1951, appeal allowed subject to further trial on the issue of possession of the invention at the application date: if not notified for further trial within two months, appeal dismissed. Defendant's (Scribal's) cross-appeal in No. 58 of 1951 allowed as...
Legal Topics
Patents, Patent Specification, Amendment of Specification, Infringement, Ambiguity in Claims, Possession of Invention, Validity of Grant
Intellectual Property Law Patents Patent Specification Amendment of Specification Infringement Ambiguity in Claims Possession of Invention Validity of Grant

Case Brief

Summary, issues, holding and outcome

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Parties

Henry George Martin

Plaintiff; Appellant; Respondent (in Cross Appeal)

Scribal Proprietary Limited

Defendant; Respondent; Appellant (in Cross Appeal)

Procedural Posture

Appeal and Cross Appeal From Judgments in Patent Infringement Actions / High Court of Australia, on Appeal From Supreme Court of Victoria

Legal Issues

  1. 1 Whether the claims of patent No. 122073 are infringed by the defendant's writing instrument;
  2. 2 Whether claim 1 of patent No. 133163 is invalid for ambiguity or insufficient description;
  3. 3 Whether the amendments allowed to the specification of patent No. 133163 are permissible under the Patents Act 1903-1950;

Ratio Decidendi

The claim in No. 122073 requires the reservoir to follow an 'extended path', construed as non-straight or winding; thus, a straight tube does not infringe. For No. 133163, the ambiguity alleged regarding the feed duct is insufficient to invalidate the claim: the requirement that the feed duct, particularly that portion adjacent the ball, be less than that of the reservoir, is a workable directive to a skilled person. The specification must be read in the context of normal use. However, in the absence of evidence to rebut, the specification as originally lodged did not disclose the invention ultimately claimed and patented, supporting the inference that the applicant was not in possession...

Court Disposition

Appeal in action No. 314 of 1947 dismissed. In action No. 58 of 1951, appeal allowed subject to further trial on the issue of possession of the invention at the application date: if not notified for further trial within two months, appeal dismissed. Defendant's (Scribal's) cross-appeal in No. 58 of 1951 allowed as...

Orders

  • In action No. 314 of 1947: Appeal dismissed.
  • In action No. 58 of 1951: If within two months plaintiff notifies desire for further trial on particulars 5 and 6 of objections, judgment set aside and action remitted for trial on those issues; otherwise, appeal dismissed.