List of United States patent law cases
This is a list of notable patent law cases in the United States in chronological order. The cases have been decided notably by the United States Supreme Court, the United States Court of Appeals for t...
Pfaff v. Wells Electronics, Inc.
Pfaff v. Wells Electronics, Inc., 525 U.S. 55 (1998), was a decision by the Supreme Court of the United States that determined what constituted being "on sale" for the purposes of barring the grant of...
Doctrine of the General Talking Pictures Case
The Doctrine of the General Talking Pictures Case (or General Talking Pictures doctrine) is based on the decision of the United States Supreme Court in General Talking Pictures Corp. v. Western Electr...
Lockwood v. American Airlines, Inc.
Lockwood v. American Airlines, Inc, 107 F.3d 1565 (Fed Cir. 1997) was a case for the United States Court of Appeals for the Federal Circuit in which Lawrence B. Lockwood sued American Airlines, Inc f...
In re Bilski
In re Bilski, 545 F.3d 943, 88 U.S.P.Q.2d 1385 (Fed. Cir. 2008), was an en banc decision of the United States Court of Appeals for the Federal Circuit (CAFC) on the patenting of method claims, particu...
Continental Paper Bag Co. v. Eastern Paper Bag Co.
Continental Paper Bag Co. v. Eastern Paper Bag Co., 210 U.S. 405 (1908), was a case in which the Supreme Court of the United States established the principle that patent holders have no obligation t...
Brookfield Communications, Inc. v. West Coast Entertainment Corp.
The case Brookfield Communications, Inc. v. West Coast Entertainment Corporation 174 F.3d 1036 (9th Cir. 1999), heard by the United States Court of Appeals for the Ninth Circuit, established that trad...
Brookfield Communications, Inc. v. West Coast Entertainment Corp. - Wikipedia
AT&T Corp. v. Excel Communications, Inc.
The word at is an English word, which may act as a preposition. AT (or similar) may also refer to:
Quanta Computer, Inc. v. LG Electronics, Inc.
Quanta Computer, Inc. v. LG Electronics, Inc., 553 U.S. 617 (2008), is a decision of the United States Supreme Court in which the Court reaffirmed the validity of the patent exhaustion doctrine, and i...
Phillips v. AWH Corp.
Phillips v. AWH Corp., 415 F.3d 1303 (Fed. Cir. 2005), was a case decided by the Federal Circuit that clarified the hierarchy of evidentiary sources usable for claim construction in patent law.
Th...
Bilski v. Kappos
Bilski v. Kappos, 561 U.S. 593 (2010), was a case decided by the Supreme Court of the United States holding that the machine-or-transformation test is not the sole test for determining the patent elig...
Microsoft Corp. v. i4i Ltd. Partnership
Microsoft Corp. v. i4i Ltd. Partnership, 564 U.S. ___ (2011), was a case decided by the Supreme Court of the United States that the patent-in-reexamination is still valid without any exceptions under ...
Gottschalk v. Benson
Gottschalk v. Benson, 409 U.S. 63 (1972) was a United States Supreme Court case in which the Court ruled that a process claim directed to a numerical algorithm, as such, was not patentable because...
United States v. Glaxo Group Ltd.
United States v. Glaxo Group Ltd., 410 U.S. 52 (1973), is a decision of the United States Supreme Court in which the Court held that (1) when a patent is directly involved in an antitrust violation, t...
Compco Corp. v. Day-Brite Lighting, Inc.

Day-Brite obtained a design patent on a lighting fixture, a cross-ribbed reflector for fluorescent light tubes. Compco’s predecessor copied the fixture and sold it in competition against Day-Brit...
Compco Corp. v. Day-Brite Lighting, Inc. - Wikipedia
United States v. Univis Lens Co.
United States v. Univis Lens Co. , 316 U.S. 241 (1942), is a decision of the United States Supreme Court explaining the exhaustion doctrine and applying it to find an antitrust violation because Univi...
Eolas
Eolas ([ˈoːl̪ˠəsˠ], meaning "Knowledge"; bacronym: "Embedded Objects Linked Across Systems") is a United States technology company founded in 1994 by sole employee Michael David Doyle. His University ...
In re Ferguson
In re Ferguson is an early 2009 decision of the United States Court of Appeals for the Federal Circuit, affirming a rejection of business method claims by the United States Patent and Trademark Office...
Eli Lilly & Co. v. Medtronic, Inc.
Eli Lilly (July 8, 1838 – June 6, 1898) was an American soldier, pharmaceutical chemist, industrialist, entrepreneur, and founder of the Eli Lilly and Company pharmaceutical corporation. Lilly en...
Eli Lilly & Co. v. Medtronic, Inc. - Wikipedia
KSR v. Teleflex
KSR Int'l Co. v. Teleflex, Inc., 550 U.S. 398 (2007), is a decision by the Supreme Court of the United States concerning the issue of obviousness as applied to patent claims.
Teleflex, Inc. sued K...
Warner-Jenkinson Company, Inc. v. Hilton Davis Chemical Co.
Warner-Jenkinson Company, Inc. v. Hilton Davis Chemical Co., 520 U.S. 17 (1997), was a United States Supreme Court decision in the area of patent law, affirming the continued vitality of the doctrine ...
Schillinger v. United States

A patent issued to John J. Schillinger for an improvement in concrete pavement. Later, the Architect of the Capitol invited proposals for a concrete pavement in the capitol grounds, and entered i...
Schillinger v. United States - Wikipedia
History of patent law
The history of patents and patent law is generally considered to have started with the Venetian Statute of 1474 and the 1624 English Statute of Monopolies.
There is some evidence that some form of...
History of patent law - Wikipedia
Graham v. John Deere Co.
Graham v. John Deere Co., 383 U.S. 1 (1966), was a case in which the United States Supreme Court clarified the nonobviousness requirement in United States patent law, set forth in 35 U.S.C. §...
Dann v. Johnston
Dann v. Johnston, 425 U.S. 219 (1976), is a decision of the United States Supreme Court on the patentability of a claim for a business method patent.
The business method at issue in Johnston was c...
Markman v. Westview Instruments, Inc.
Markman v. Westview Instruments, Inc., 517 U.S. 370 (1996), is a United States Supreme Court case on whether the interpretation of patent claims is a matter of law or a question of fact. An issue desi...
EBay Inc. v. MercExchange, L.L.C.
eBay Inc. v. MercExchange, L.L.C., 547 U.S. 388 (2006) is a case in which the Supreme Court of the United States unanimously determined that an injunction should not be automatically issued based on a...
Hotchkiss v. Greenwood
Hotchkiss v. Greenwood, 52 U.S. 248 (1850), was a United States Supreme Court case. It was the first US Supreme Court case to introduce the concept of non-obviousness as patentability requirement in U...