In Re: Dane K. Fisher

CourtCourt of Appeals for the Federal Circuit
DecidedSeptember 7, 2005
Docket2004-1465
StatusPublished

This text of In Re: Dane K. Fisher (In Re: Dane K. Fisher) is published on Counsel Stack Legal Research, covering Court of Appeals for the Federal Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
In Re: Dane K. Fisher, (Fed. Cir. 2005).

Opinion

United States Court of Appeals for the Federal Circuit

04-1465 (Serial No. 09/619,643)

IN RE DANE K. FISHER and RAGHUNATH V. LALGUDI

Seth P. Waxman, Wilmer Cutler Pickering Hale and Dorr LLP, of Washington, DC, argued for appellants. With him on the brief were William F. Lee and Richard W. O’Neill, of Boston, Massachusetts; and William G. McElwain and Henry N. Wixon, of Washington, DC.

Stephen Walsh, Associate Solicitor, United States Patent and Trademark Office, of Arlington, Virginia, argued for the Director of the Patent and Trademark Office. With him on the brief were John M. Whealan, Solicitor, and Thomas W. Krause, Associate Solicitor.

Joseph A. Keyes, Jr., of Washington, DC, for amicus curiae Association of American Medical Colleges.

Marc S. Gold, of Washington, DC, for amicus curiae National Academy of Sciences.

Donald R. Stuart, of Indianapolis, Indiana, for amicus curiae Dow AgroSciences LLC. With him on the brief was Kenneth B. Ludwig.

Paula K. Davis, of Indianapolis, Indiana, for amicus curiae Eli Lilly and Company. With her on the brief were Steven P. Caltrider and James J. Kelley.

Michael C. Schiffer, of Irvine, California, for amicus curiae Baxter Healthcare Corporation.

Darrel C. Karl, Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P., of Washington, DC, for amicus curiae American College of Medical Genetics. Jeffrey P. Kushan, Sidley Austin Brown & Wood, LLP, of Washington, DC, for amicus curiae Genentech, Inc. With him on the brief were Kathi A. Cover and David L. Fitzgerald.

George C. Yu, of Emeryville, California, for amicus curiae Affymetrix, Inc.

Appealed from: United States Patent and Trademark Office Board of Patent Appeals and Interferences United States Court of Appeals for the Federal Circuit

IN RE DANE K. FISHER and RAGHUNATH V. LALGUDI,

__________________________

DECIDED: September 7, 2005 __________________________

Before MICHEL, Chief Judge, RADER and BRYSON, Circuit Judges.

Opinion for the court filed by Chief Judge MICHEL. Dissenting opinion filed by Circuit Judge RADER.

MICHEL, Chief Judge.

Dane K. Fisher and Raghunath Lalgudi (collectively “Fisher”)1 appeal from the

decision of the U.S. Patent and Trademark Office (“PTO”) Board of Patent Appeals and

Interferences (“Board”) affirming the examiner’s final rejection of the only pending claim

of application Serial No. 09/619,643 (the “’643 application”), entitled “Nucleic Acid

Molecules and Other Molecules Associated with Plants,” as unpatentable for lack of

utility under 35 U.S.C. § 101 and lack of enablement under 35 U.S.C. § 112, first

paragraph. Ex parte Fisher, App. No. 2002-2046 (Bd. Pat. App. Int. Mar. 16, 2004)

(“Board Decision”). This appeal was submitted after oral argument on May 3, 2005.

Because we conclude that substantial evidence supports the Board’s findings that the

1 The real party in interest is Monsanto Technology LLC, which is owned by the Monsanto Company. claimed invention lacks a specific and substantial utility and that the ’643 application

does not enable one of ordinary skill in the art to use the invention, we affirm.

I. BACKGROUND

A. Molecular Genetics and ESTs

The claimed invention relates to five purified nucleic acid sequences that encode

proteins and protein fragments in maize plants. The claimed sequences are commonly

referred to as “expressed sequence tags” or “ESTs.” Before delving into the specifics of

this case, it is important to understand more about the basic principles of molecular

genetics and the role of ESTs.

Genes are located on chromosomes in the nucleus of a cell and are made of

deoxyribonucleic acid (“DNA”). DNA is composed of two strands of nucleotides in

double helix formation. The nucleotides contain one of four bases, adenine (“A”),

guanine (“G”), cytosine (“C”), and thymine (“T”), that are linked by hydrogen bonds to

form complementary base pairs (i.e., A-T and G-C).

When a gene is expressed in a cell, the relevant double-stranded DNA sequence

is transcribed into a single strand of messenger ribonucleic acid (“mRNA”). Messenger

RNA contains three of the same bases as DNA (A, G, and C), but contains uracil (“U”)

instead of thymine. mRNA is released from the nucleus of a cell and used by

ribosomes found in the cytoplasm to produce proteins.

Complementary DNA (“cDNA”) is produced synthetically by reverse transcribing

mRNA. cDNA, like naturally occurring DNA, is composed of nucleotides containing the

four nitrogenous bases, A, T, G, and C. Scientists routinely compile cDNA into libraries

to study the kinds of genes expressed in a certain tissue at a particular point in time.

04-1465 2 One of the goals of this research is to learn what genes and downstream proteins are

expressed in a cell so as to regulate gene expression and control protein synthesis.2

An EST is a short nucleotide sequence that represents a fragment of a cDNA

clone. It is typically generated by isolating a cDNA clone and sequencing a small

number of nucleotides located at the end of one of the two cDNA strands. When an

EST is introduced into a sample containing a mixture of DNA, the EST may hybridize

with a portion of DNA. Such binding shows that the gene corresponding to the EST was

being expressed at the time of mRNA extraction.

Claim 1 of the ’643 application recites:

A substantially purified nucleic acid molecule that encodes a maize protein or fragment thereof comprising a nucleic acid sequence selected from the group consisting of SEQ ID NO: 1 through SEQ ID NO: 5.

The ESTs set forth in SEQ ID NO: 1 through SEQ ID NO: 5 are obtained from cDNA

library LIB3115, which was generated from pooled leaf tissue harvested from maize

plants (RX601, Asgrow Seed Company, Des Moines, Iowa, U.S.A.) grown in the fields

at Asgrow research stations. SEQ ID NO:1 through SEQ ID NO:5 consist of 429, 423,

365, 411, and 331 nucleotides, respectively. When Fisher filed the ’643 application, he

claimed ESTs corresponding to genes expressed from the maize pooled leaf tissue at

the time of anthesis. Nevertheless, Fisher did not know the precise structure or function

of either the genes or the proteins encoded for by those genes.

The ’643 application generally discloses that the five claimed ESTs may be used

in a variety of ways, including: (1) serving as a molecular marker for mapping the entire

2 We have discussed the basic principles of molecular genetics more extensively in prior cases. See, e.g., In re Deuel, 51 F.3d 1552, 1554-56 (Fed. Cir. 1995); Amgen, Inc. v. Chugai Pharm. Co., Ltd., 927 F.2d 1200, 1207-08 (Fed. Cir. 1991); In re O’Farrell, 853 F.2d 894, 895-99 (Fed. Cir. 1988).

04-1465 3 maize genome, which consists of ten chromosomes that collectively encompass roughly

50,000 genes; (2) measuring the level of mRNA in a tissue sample via microarray

technology to provide information about gene expression; (3) providing a source for

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