Honeywell, Inc. v. Sperry Rand Corp., et al., 180 U.S.P.Q. 673 (D. Minn. 1973) (Case 4-67 Civil 138, 180 USPO 670), was a landmark U.S. federal court case that in October 1973 invalidated the 1964 patent for the ENIAC, the world's first general-purpose electronic digital computer. The decision held, in part, the following: 1. that the ENIAC inventors had derived the subject matter of the electronic digital computer from the Atanasoff–Berry computer (ABC), prototyped in 1939 by John Atanasoff and Clifford Berry, 2. that Atanasoff should have legal recognition as the inventor of the first electronic digital computer and 3. that the invention of the electronic digital computer ought to be placed in the public domain.
Dispute origins
The case was a combination of two separate lawsuits: one brought by Sperry Rand Corporation and its holding company Illinois Scientific Developments against Honeywell Corporation in Washington, D.C., charging Honeywell with patent infringement and demanding royalties, and a countersuit filed in Minneapolis, Minnesota by Honeywell charging Sperry Rand with monopoly and fraud and seeking the invalidation of the ENIAC patent, alleged to be infirm. Both suits were filed on May 26, 1967, with Honeywell filing just minutes earlier, a fact that would later have tremendous bearing on the case.
The trial was presided over by U.S. District Court Judge Earl R. Larson between June 1, 1971, and March 13, 1972, in Minneapolis, Minnesota, a jurisdiction decided when D.C. Circuit Chief Judge John Sirica ruled that Honeywell had won the May 26 race to file the suit in court. Attorneys for Sperry Rand wanted the case to be tried in Washington, D.C., a district perceived to be friendlier to the rights of patent holders; by contrast, Honeywell was at the time the largest private employer in Minnesota. The plaintiff's final 500-page brief in the case was filed September 30, 1972.
Chief among the disputes Honeywell v. Sperry Rand was to resolve were:
The legality of a 1956 patent-sharing agreement between Sperry Rand and IBM (itself born out of patent litigation), which was contended to represent an illegal collusion in violation of antitrust laws. The enforceability and validity of the patent for the ENIAC filed by its inventors J. Presper Eckert and John W. Mauchly, a patent which by that time had come to be held by Sperry Rand Corporation through a series of corporate acquisitions and mergers. The patent on the ENIAC, , application date June 26, 1947, issue date February 4, 1964, had been placed with a Sperry Rand subsidiary, Illinois Scientific Developments, newly created for the express purpose of marketing licenses for the newly issued patent. Because it was ostensibly the patent on the premiere electronic digital computer, Sperry Rand held that this patent entitled them to collect royalties on the sales of all electronic digital computers in what was by the late 1960s a rapidly expanding data processing industry, including Honeywell, Control Data, Burroughs, RCA, National Cash Register, General Electric, and Philco-Ford, and peripheral equipment manufacturers. (Illinois Scientific Developments demanded royalties of $250 million from Honeywell initially, a figure that was lowered to $20 million prior to the start of litigation, and $150 million altogether from the other listed firms.) The enforceability (but not the validity) of what was known as the 30A package of patents filed by Eckert and Mauchly and held by Sperry Rand, which included patents for a delay-line memory system (, applied for October 31, 1947, and issued in 1953) and a number of serial binary adders. Royalties (and damages, legal fees, court costs, etc.) owed Sperry Rand by Honeywell should their patents be found valid and enforceable.
With 135 days of oral courtroom testimony by 77 witnesses—and the presentation of the deposition of an additional 80 witnesses—for a total trial transcript of 20,667 pages, Honeywell v. Sperry Rand was at that time the longest trial in the history of the federal court system. It was preceded by six years of litigation that produced thousands of pages of under-oath depositions. The court marked 25,686 exhibits for the plaintiff Honeywell; defendants Sperry Rand and its subsidiary Illinois Scientific Developments contributed 6,968 exhibits. The corporations on the two sides spent a combined more than $8 million pursuing the case. The resulting exhibits and testimony constitute a massive evidentiary record describing the invention and development of the electronic digital computer. Materials relevant to the case but not entered into evidence have appeared, but sparsely and infrequently, since the case's conclusion in 1973.
Computers played a major role in the prosecution of the case for plaintiff Honeywell. A computerized record of documents pertaining to the case, known as Electronic Legal Files (or ELF), allowed Honeywell attorneys to store, sort, recall, and print information on hundreds of different subjects.
Decision More than seven months following the end of courtroom testimony, Judge Earl R. Larson's decision was published on October 19, 1973, in a document, over 248 pages long, titled Findings of Fact, Conclusions of Law, and Order for Judgment.Text of US District Court Decision at USHistory.org, Retrieved August 1, 2015 Its conclusions defy summarization, but key findings include:
John W. Mauchly and J. Presper Eckert were the co-inventors of the ENIAC; other contributors to the computer's design, Arthur W. Burks, T. K. Sharpless, and Robert F. Shaw, who had petitioned to have their names added to the patent as inventors after it had already been issued, did not qualify for co-inventor status, nor did other contributors John H. Davis, Frank Mural, and Chuan Chu. Honeywell had infringed on the ENIAC patent (Finding 23). The judge awarded no monetary damages, as he invalidated the ENIAC patent on numerous grounds in the same decision (see below). Sperry Rand had tried to monopolize the electronic data processing industry in violation of the Sherman Antitrust Act, on the basis of a cross-licensing agreement between Sperry Rand and IBM signed on August 21, 1956, but that only IBM had in fact succeeded in creating such a monopoly (Finding 15). The judge awarded no monetary damages despite these findings of conspiracy. The ENIAC patent was unenforceable (not invalid) on the grounds of unnecessary and unreasonable delay before the U.S. Patent Office (Finding 11). The judge ruled that undue delay in the patent's filing, which would have rendered the patent invalid, had not been proven. The ENIAC patent was unenforceable (not invalid) on the grounds of certain derelictions—including suppressing documents, withholding information, securing misleading affidavits, reversing legal positions in response to new evidence, blocking efforts of competitors to secure documents from the government, and proceeding with patent applications despite warnings of infirmities—on the U.S. Patent Office (Finding 13). The judge ruled that willful and intentional fraud on the U.S. Patent Office in filing the patent, which would have rendered the patent invalid, had not been proven. While the patent was rendered invalid on other grounds (see below), no finding of fraud on the Patent Office was significant, as the converse would have been a criminal offense and might have meant criminal prosecution for the patent filers. The ENIAC patent was invalid on the basis of the amount of time the inventors had permitted to elapse before filing the patent following its disclosure in public use (Finding 1). Dedication ceremonies for the ENIAC had taken place on February 15, 1946, which was prior to the critical date of June 26, 1946 (one year before the patent's filing), and any public disclosure of the device prior to the critical date rendered the patent invalid. (Problems run on the computer by figures outside the invention team took place even earlier.) The judge found the date of December 1, 1945, as the date the ENIAC was handed over to Army Ordnance and beyond which no further modifications could be considered experimental. The ENIAC patent was invalid on the basis of the amount of time the inventors had permitted to elapse before filing the patent following its placement on sale (Finding 2). The judge noted that the construction contract for the ENIAC placed the intended delivery date at December 31, 1945. Moreover, the first working parts of the ENIAC, consisting of two accumulators, had been shown to be operational in July 1944, and the judge ruled that these components of the eventual ENIAC were themselves an "automatic electronic digital computer", thus pushing the date before which Eckert and Mauchly would have needed to apply for the patent to July 1945. The ENIAC patent was invalid on the basis of the amount of time the inventors had permitted to elapse before filing the patent following the publication of its key features (Finding 7). The judge ruled that Herman Goldstine's June 30, 1945, dissemination of John von Neumann's First Draft of a Report on the EDVAC, a set of incomplete notes describing the logical design of the ENIAC's successor machine the EDVAC, which was being built simultaneously to the ENIAC's completion at the Moore School of Electrical Engineering at the University of Pennsylvania, constituted a publication under the law and an enabling disclosure of the ENIAC. Moreover, Eckert and Mauchly had published their own official report, Automatic High Speed Computing: A Progress Report on the EDVAC, on September 30, 1945, which was, again, prior to the critical date of June 26, 1946. Three of the 148 formal claims of the ENIAC patent were anticipated by a prior invention, the 1942 electronic multiplier by IBM's Byron E. Phelps (Finding 6), for which a patent was filed in late 1945. The judge ruled out derivation, as Mauchly and Eckert could not have been aware of this prior invention; nevertheless, its patent date preceded that of the ENIAC. 14 of the 148 formal claims of the ENIAC patent were invalid on the basis of an unreasonably delayed amendment to the patent application (Finding 10). In May 1963, attorneys for Sperry Rand tried to amend the ENIAC patent after discovering that the definition of the word "pulse", which carried over to 14 of the patent's claims (sometimes under the equivalent usage of "impulse" or "signal"), left a lower bound on the length of an electronic pulse of 2 microseconds. Thus, machines that operated at a speed of more than 1 MHz would not be covered by the ENIAC patent. The judge ruled that the patentholders' attempts to amend the patent at such a late date was "an exigent afterthought to capture the subsequent contributions of others already in the public domain". The 30A package of patents (the regenerative memory system and the serial binary adders) were unenforceable. The ENIAC patent was invalid on the basis of derivation (Finding 3).
The publication of the Honeywell v. Sperry Rand decision coincided with the event of the Saturday Night Massacre, one of many events in the ongoing Watergate scandal of Richard Nixon's presidency. As a result of the media's focus on Watergate, news of the decision did not attract public attention at the time.
Derivation controversy Finding 3 was the most controversial, as it ascribed the invention of the electronic digital computer to John V. Atanasoff: