University of South Florida Board of Trustees v. United States

Procedural entryThis page is a short order in University of South Florida Board of Trustees v. United States. Read the opinion of the Court — 92 F.4th 1072
Court of Appeals for the Federal Circuit·Decided February 9, 2024·No. 22-2248·Published

Opinion

United States Court of Appeals for the Federal Circuit

UNIVERSITY OF SOUTH FLORIDA BOARD OF TRUSTEES, Plaintiff-Appellant

v.

UNITED STATES, Defendant-Appellee

2022-2248

Appeal from the United States Court of Federal Claims in No. 1:15-cv-01549-PEC, Judge Patricia E. Campbell- Smith.

Decided: February 9, 2024

STEVEN B. KELBER, The Kelber Law Group, Bethesda, MD, argued for plaintiff-appellant. Also represented by JERRY STOUCK, North Bethesda, MD.

WALTER W. BROWN, Commercial Litigation Branch, Civil Division, United States Department of Justice, Washington , DC, argued for defendant-appellee. Also represented by BRIAN M. BOYNTON, GARY LEE HAUSKEN, KAVYASRI NAGUMOTU, CARRIE ROSATO.

2 UNIVERSITY OF SOUTH FLORIDA BOARD OF TRUSTEES v. US

Before REYNA, TARANTO, and STOLL, Circuit Judges.

TARANTO, Circuit Judge.

University of South Florida Board of Trustees (USF)

owns now-expired United States Patent No. 5,898,094, which was issued in 1999 and is titled “Transgenic Mice Expressing APPK670N,M671L and a Mutant Presenilin Transgenes.” In 2015, USF sued the United States in the Court of Federal Claims (Claims Court) under 28 U.S.C. § 1498(a), alleging that the United States was liable for infringement of the ʼ094 patent because, as is undisputed before us, The Jackson Laboratory, with the government’s authorization and consent, had been producing and using mice covered by the patent for the government. As a defense , the government argued that the United States had a license to practice the patent, and have the patent practiced on its behalf, under 35 U.S.C. § 202(c)(4), a provision of the Bayh-Dole Act, Pub. L. No. 96-517, § 6(a), 94 Stat. 3019–28 (1980) (codified as amended at 35 U.S.C. §§ 200– 12), which addresses patent rights in work funded by the federal government. After summary-judgment proceedings and a trial, the Claims Court agreed with the government and entered final judgment of noninfringement. University of South Florida, Board of Trustees v. United States, 162 Fed. Cl. 59 (2022) (Claims Court Decision).

USF timely appealed. We have jurisdiction under 28 U.S.C. § 1295(a)(3). There is no dispute that the judgment must be affirmed if § 202(c)(4) applies. We conclude that the provision does apply. We therefore affirm.

I

A

The ʼ094 patent describes and claims doubly transgenic mice with accelerated pathology for Alzheimer’s Disease , produced by the mice’s expression of both a mutant Swedish amyloid precursor protein transgene and a

UNIVERSITY OF SOUTH FLORIDA BOARD OF TRUSTEES v. US 3

mutant presenilin transgene. See ʼ094 patent, Abstract and col. 14, line 26 through col. 16, line 59. Claim 1 states:

1. A transgenic mouse with enhanced Alzheimer’s Disease related amyloid accumulation in its brain produced by:

producing an F1 generation mouse by crossing a first transgenic mouse whose genome comprises at least one transgene comprising a DNA sequence encoding mutant presenilin M146L operably linked to a promoter with a second transgenic mouse whose genome comprises at least one transgene comprising a DNA sequence encoding APP K670N,M671L operably linked to a promoter, wherein the first transgenic mouse expresses the DNA sequence encoding the mutant presenilin and wherein the second transgenic mouse expresses the DNA sequence encoding the APP; and selecting from the offspring of the cross, those transgenic mice whose genome comprises at least one DNA sequence encoding mutant presenilin M146L operably linked to a promoter and at least one transgene comprising a DNA sequence encoding APP K670N,M671L operably linked to a promoter , and identifying an F1 mouse which express both transgenes such that the F1 mouse develops accelerated deposition of Aβ in its brain as compared to non-transgenic mice or either parental mouse.

Id., col. 14, lines 26–49 (emphasis added).

The application that issued as the ʼ094 patent was filed on July 30, 1997, but it claims priority to a provisional application filed on October 21, 1996. Drs. Karen Duff and 4 UNIVERSITY OF SOUTH FLORIDA BOARD OF TRUSTEES v. US

John Hardy are the inventors named on the ʼ094 patent. In October 1996, just before the filing of the October 21, 1996 provisional application, the two inventors assigned to USF the patent rights for inventions described in that provisional application.

B

The invention of the ʼ094 patent involves doubly transgenic mice having a particular property of developing an identified symptom of Alzheimer’s Disease on an “accelerated ” basis. The invention was conceived by Drs. Duff and Hardy while both were professors employed by USF. J.A. 3762. At USF, Drs. Duff and Hardy worked with Dr. David Morgan and Dr. Marcia Gordon, both of whom were also professors at USF. The role of the latter two scientists, as relevant here, was to conduct (with assistance within their laboratory) the tissue analysis needed to determine, for mice resulting from two gene modifications, when in their aging process the mice developed the claimed symptom.

The first litter of mice expressing both of the two transgenes at issue—a mutant Swedish amyloid precursor protein transgene and a mutant presenilin transgene—was born at USF on August 21, 1996. J.A. 631–32, 3890–91. But time was needed to determine if those mice would actually develop Alzheimer’s Disease pathology at an accelerated rate.

During that period of mouse aging, Dr. Hardy changed his employer from USF to Mayo, and Dr. Duff did the same, in December 1996, shortly after Dr. Hardy. The doubly transgenic mice remained at USF after Drs. Duff and Hardy moved to Mayo. While at Mayo, Dr. Duff continued to oversee the doubly transgenic mouse project. J.A. 152– 54. The day-to-day work of caring for the mice, however, became the responsibility of Dr. Gordon in Dr. Morgan’s laboratory . J.A. 529. Additionally, Dr. Gordon, at her USF lab, performed immunohistochemistry, or tissue-examination , work on the brains of sacrificed doubly transgenic

UNIVERSITY OF SOUTH FLORIDA BOARD OF TRUSTEES v. US 5

mice to identify whether and when the mice developed Alzheimer ’s Disease pathology. J.A. 152–54, 148–50.

An actual reduction to practice of the invention claimed the ’094 patent required construction of an embodiment and recognition that the embodiment worked for its intended purpose. See Cooper v. Goldfarb, 154 F.3d 1321, 1327 (Fed. Cir. 1998); Estee Lauder Inc. v. L’Oreal, S.A., 129 F.3d 588, 594–95 (Fed. Cir. 1997); Hahn v. Wong, 892 F.2d 1028, 1032 (Fed. Cir. 1989); Scott v. Finney, 34 F.3d 1058, 1062 (Fed. Cir. 1994); Knorr v. Pearson, 671 F.2d 1368, 1375 (CCPA 1982). Here, the first document recording the actual reduction to practice of the doubly transgenic mice—the fact and recognition of the sooner-than-otherwise development of the specified Alzheimer’s Disease pathology in those mice—is a facsimile sent on April 25, 1997, by Dr. Duff, then at Mayo, to William Coppola, at USF’s office for technology transfer. J.A. 1271–74, 142–45, 148. The parties accept, for present purposes, that the first actual reduction to practice occurred shortly before that promptly sent communication. Claims Court Decision, 162 Fed. Cl. at 64 (“The parties agree, and the evidence demonstrates , that the invention described in the ’094 patent was first reduced to practice in April 1997.”). We therefore refer to the first actual reduction to practice as occurring in April 1997.

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