FED. CIR. UPHOLDS RULING IN OIL-DRILLING PATENT DISPUTE Union Pacific Resources Co. v. Chesapeake Energy Corp. | Secondary Sources | Westlaw

FED. CIR. UPHOLDS RULING IN OIL-DRILLING PATENT DISPUTE Union Pacific Resources Co. v. Chesapeake Energy Corp. | Secondary Sources | Westlaw

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FED. CIR. UPHOLDS RULING IN OIL-DRILLING PATENT DISPUTE Union Pacific Resources Co. v. Chesapeake Energy Corp.

7 No. 13 ANIPLR 11Andrews Intellectual Property Litigation Reporter (Approx. 3 pages)

FED. CIR. UPHOLDS RULING IN OIL-DRILLING PATENT DISPUTE Union Pacific Resources Co. v. Chesapeake Energy Corp.

7 No. 13 ANIPLR 11Andrews Intellectual Property Litigation Reporter (Approx. 3 pages)

7 No. 13 Andrews Intell. Prop. Litig. Rep. 11
Andrews Intellectual Property Litigation Reporter
January 19, 2001
Patent Validity
Copyright (c) 2001 Andrews Publications

FED. CIR. UPHOLDS RULING IN OIL-DRILLING PATENT DISPUTE

Union Pacific Resources Co. v. Chesapeake Energy Corp.

Finding that the trial court correctly held that a patent did not pass the “person of ordinary skills” test, and that key information to enable the patent had been withheld, the Federal Circuit upheld the ruling of invalidity, though it agreed that...
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