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Blonder Tongue v. University of Illinois Found., 402 U.S. 313 (1971)
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General SummaryThis case is from a collection containing the full text of over 16,000 Supreme Court cases from 1793 to the present. The body of Supreme Court decisions are, effectively, the final interpretation of the Constitution. Only an amendment to the Constitution can permanently overturn an interpretation and this has happened only four times in American history.
Blonder Tongue v. University of Illinois Found., 402 U.S. 313 (1971)
Blonder Tongue Laboratories, Inc. v. University of Illinois Foundation No. 338 Argued January 14, 1971 Decided May 3, 1971 402 U.S. 313
CERTIORARI TO THE UNITED STATE COURT OF APPEALS
FOR THE SEVENTH CIRCUIT
Syllabus
This Court’s holding in Triplett v. Lowell, 297 U.S. 638, that a determination of patent invalidity is not res judicata against the patentee in subsequent litigation against a different defendant overruled to the extent that it forecloses an estoppel plea by one facing a charge of infringement of a patent that has once been declared invalid, and in this infringement suit, where, because of Triplett, petitioner did not plead estoppel and the patentee had no opportunity to challenge the appropriateness of such a plea, the parties should be allowed to amend their pleadings and introduce evidence on the estoppel issue. Pp. 317-350.
422 F.2d 769, vacated and remanded.
WHITE, J., delivered the opinion for a unanimous Court.
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Chicago: U.S. Supreme Court, "Syllabus," Blonder Tongue v. University of Illinois Found., 402 U.S. 313 (1971) in 402 U.S. 313 402 U.S. 314. Original Sources, accessed November 24, 2024, http://originalsources.com/Document.aspx?DocID=EWTNT2WQX2I2H3J.
MLA: U.S. Supreme Court. "Syllabus." Blonder Tongue v. University of Illinois Found., 402 U.S. 313 (1971), in 402 U.S. 313, page 402 U.S. 314. Original Sources. 24 Nov. 2024. http://originalsources.com/Document.aspx?DocID=EWTNT2WQX2I2H3J.
Harvard: U.S. Supreme Court, 'Syllabus' in Blonder Tongue v. University of Illinois Found., 402 U.S. 313 (1971). cited in 1971, 402 U.S. 313, pp.402 U.S. 314. Original Sources, retrieved 24 November 2024, from http://originalsources.com/Document.aspx?DocID=EWTNT2WQX2I2H3J.
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