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plaintiffdefendantappealmotionpatentcorporation
contractappealpatent

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Motion Picture Patents Co. v. Universal Film Mfg. Co., 243 U.S. 502, 37 S.Ct. 416, 61 L.Ed. 871, L.R.A. 1917E, 1187, Am.Ann.Cas. 1918A, 959

Facts

The case involves a dispute over the alleged infringement of a patent for a machine used in motion picture exhibiting. The plaintiff, Woodville Latham, holds a patent for improvements in projecting-kinetoscopes, which includes a mechanism for feeding film through the machine. The defendants, three corporations, do not dispute the title to the patent but claim an implied license to use the machine. The plaintiff had previously granted a license to the Precision Machine Company to manufacture and sell machines embodying the invention, with restrictions on their use. The district court ruled that the limitations imposed by the notice attached to the machine were invalid, leading to the current appeal.

Issue

May a patentee or his assignee license another to manufacture and sell a patented machine, and by a mere notice attached to it limit its use by the purchaser or by the purchaser's lessee, to films which are no part of the patented machine, and which are not patented?

May a patentee or his assignee license another to manufacture and sell a patented machine, and by a mere notice attached to it limit its use by the purchaser or by the purchaser's lessee, to films which are no part of the patented machine, and which are not patented?

Rule

Analysis

In applying the rule to the facts, the court determined that the restrictions imposed by the plaintiff through the notice attached to the machine were an attempt to extend the patent monopoly beyond the scope of the invention itself. The law does not permit a patentee to control the use of unpatented materials necessary for the operation of the patented machine. The court emphasized that the exclusive right granted by the patent is limited to the invention described in the claims, and any additional restrictions on use are not supported by patent law.

The extent to which the use of the patented machine may validly be restricted to specific supplies or otherwise by special contract between the owner of a patent and the purchaser or licensee is a question outside the patent law, and with it we are not here concerned.

Conclusion

The court affirmed the lower court's ruling that the restrictions on the use of the patented machine were invalid, allowing the defendants to use the machine without the limitations imposed by the plaintiff.

Both questions as stated must be answered in the negative, and the decree of the Circuit Court of Appeals is affirmed.

Who won?

The defendants prevailed in this case as the court upheld the district court's ruling that the limitations imposed by the plaintiff on the use of the patented machine were invalid. The court reasoned that the patent law does not allow a patentee to restrict the use of a patented machine to specific unpatented materials, as such restrictions extend beyond the scope of the patent itself. This ruling protects the public interest by ensuring that the benefits of patented inventions are not unduly limited by the imposition of additional conditions on their use.

The district court held that the limitation on the use of the machine attempted to be made by the notice attached to it after it had been sold and paid for, was invalid, and that the Seventy-second Street Amusement Company, the purchaser, and its lessee, the Prague Amusement Company, had an implied license to use the machine as it had been used.

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