Filmon Process Corp. v. Spellright Corp.

274 F. Supp. 312, 155 U.S.P.Q. (BNA) 635, 1967 U.S. Dist. LEXIS 11253
CourtDistrict Court, District of Columbia
DecidedOctober 9, 1967
DocketCiv. A. No. 1514-63
StatusPublished
Cited by3 cases

This text of 274 F. Supp. 312 (Filmon Process Corp. v. Spellright Corp.) is published on Counsel Stack Legal Research, covering District Court, District of Columbia primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Filmon Process Corp. v. Spellright Corp., 274 F. Supp. 312, 155 U.S.P.Q. (BNA) 635, 1967 U.S. Dist. LEXIS 11253 (D.D.C. 1967).

Opinion

OPINION

HOLTZOFF, District Judge.

This is an action arising in part under the patent laws and in part involving a charge of an improper revelation and use of a trade secret.

The principal cause of action is one for patent infringement, pleaded in the first count of the complaint. The patent claimed to be infringed is a patent to W. Ploeger, Jr., No. 3,010,559, issued on November 28, 1961. The title to this patent was assigned to the plaintiff by mesne assignments. The name of the invention as given in the patent is a “Printing Ribbon”. The invention consists of a specific type of printing ribbon, namely, a ribbon consisting of two layers: one being a layer of material that absorbs the ink; and the other being a nylon film lying back of the first layer. The two layers are fused together solely along their extreme elongated edges.

There are two principal issues. The first is whether the patent is valid, and the second is whether the patent is infringed. The defendants claim that the patent is invalid in the light of the prior art, in that the step taken by the inventor does not constitute the product of the inventive faculty but is merely the result of mechanical skill of a person who is reasonably skilled in the art.

No doubt the inventor had a desirable and a constructive and useful idea. Unfortunately, the hopes and aspirations of many a worthy inventor are frequently blasted and dashed to pieces when it is discovered that, unbeknownst to him, someone else had previously trodden the same path and had made the same discovery and contribution to the sum of human knowledge. In this respect, of course, the patent law differs from the law of copyright. A person has to be the first inventor as well as an original one, in order to be accorded or granted the monopoly of a patent. The discovery of the activities of a prior inventor is a disaster that brings grief to many a person who feels that he has conceived a new and novel invention; and if he gets a patent, the patent just keeps the word of promise to his ear and breaks it to his hope.

In the course of the prosecution of the application for a patent, a number of items of prior art were cited by the Examiner as bases for a rejection of the application. In a recent case in the Court of Customs and Patent Appeals, Application of Winslow, 365 F.2d 1017, 1020, Judge Rich of that Court gave a very graphic and vivid explanation of how to analyze prior art in connection with determining the validity of a patent. He said:

“We think the proper way to apply the 103 obviousness test to a case like this is to first picture the inventor as working in his shop with the prior art references — which he is presumed to know — hanging on the walls around him.”

The principal patent cited by the Examiner in the course of the prosecution of the application was the patent to Phelps, No. 2,044,630, issued on June 16, 1936. At a later stage of the proceeding in the Patent Office, a patent to Francis, No. 2,657,157, issued on October 27, 1953, was also cited. Each of those two patents disclosed a ribbon consisting of two strips or layers, one an inking ribbon and the other a shielding strip, attached together. It was apparently the view of the Patent Office that these two patents met Claim 1 of the application in its original form. That claim read as follows:

“A ribbon comprising an elongated strip of flexible, pliable, absorbent ma[314]*314terial, an elongated strip of flexible, pliable, impervious material, said strips being in juxtaposed surfaee-tosurface relation along their entire length and sealed together along their elongated edges.”

Phelps disclosed a structure in which the two strips or layers were fastened together at intervals. Francis described a structure in which the two layers were joined together adhesively by a portion of their own substance. The applicant for the patent in suit then differentiated his application from these two references by narrowing his claim down to the feature of fusing the two elements or layers together solely along their edges. With this limitation, the patent was granted.

The result is that the first claim of the patent in suit was modified, in order to secure favorable action, to read as follows:

“A printing ribbon comprising an elongated strip of flexible, pliable, absorbent woven nylon, an elongated strip of a flexible, pliable, imperforate ink, impervious nylon film, said strips being in juxtaposed surface-to-surface relation along their entire length, and fused together only along their extreme elongated edges, and within the absorbent woven nylon strip being impregnated with ink.”

In other words, the patent actually granted is a very narrow one, and is limited to a ribbon consisting of an absorbent nylon strip and an impervious nylon film, fused together only along their extreme elongated edges. The inventor manifestly may not now claim any more than the narrow claim that he accepted as a condition of the granting of his patent. It is well established that what is surrendered by an applicant in the course of the prosecution of his application in the Patent Office cannot later be recaptured by construction.

This principle of law was summarized by Mr. Justice Stone in Schriber-Schroth Co. v. Cleveland Trust Co., 311 U.S. 211, 61 S.Ct. 235, 85 L.Ed. 132. At page 220, at page 239 of 61 S.Ct., he said:

“It is a rule of patent construction consistently observed that a claim in a patent as allowed must be read and interpreted with reference to claims that have been cancelled or rejected, and the claim allowed cannot by construction be read to cover what was thus eliminated from the patent.” [Cases cited.]

Then he continued:

“The patentee may not, by resort to doctrine of equivalents, give to an allowed claim a scope which it might have had without the amendments, the cancellation of which amounts to a disclaimer.”

Thus we are confronted with a very narrow patent, receiving its life solely from the one limited feature of fusion along the edges, and solely along the edges, of the two strips. The defendant now relies on a German patent to Gruendel, No. 966,174, issued on June 27, 1957. The defendant claims that this feature, which was the carrying element of the plaintiff’s patent, was disclosed by Gruendel.

The Gruendel patent was not cited by the Patent Office. These circumstances give it greater weight than a citation referred to by the Patent Office, which was overcome by the applicant in the course of the prosecution in the Patent Office. It is no reflection on the Patent Office, because it happens very frequently, that its original search did not lead to a discovery of this German patent.

Gruendel refers to the fact that inked ribbons consisting of more than one layer, had been used in the past, and he states that:

“In all of these cases an intimate bond between the ink ribbon and the covering means was obtained over the whole area.”

He indicates as an element of his invention that the two layers, the inked ribbon and a thermoplastic film, should be bonded together thermoplastically on a very small strip along the longitudinal edges. He states further that Figure 1 of his

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Bluebook (online)
274 F. Supp. 312, 155 U.S.P.Q. (BNA) 635, 1967 U.S. Dist. LEXIS 11253, Counsel Stack Legal Research, https://law.counselstack.com/opinion/filmon-process-corp-v-spellright-corp-dcd-1967.