Legal Opinion
Halliburton Co. v. Schlumberger Technology Corp.
District Court, S.D. Texas
Decided September 19, 1989No. Civ. A. H-85-5464PublishedCited by 2 opinions
1Opinion of the Court
MEMORANDUM AND ORDER
LAKE, District Judge.
This is an action for patent infringement brought by Halliburton Company against Schlumberger Technology Corporation. The issue addressed in this memorandum is whether the Halliburton patents in suit are unenforceable because of inequitable conduct in their prosecution.
I. BACKGROUND
A. The Industry and Art
Both parties are leaders in oil well logging technology. Well logging involves lowering complex instrument packages called “sondes” or “tools” into well holes to measure properties of the earth surrounding the borehole. The type of logging at issue is…
2Cases cited22 opinions
- Precision Instrument Manufacturing Co. v. Automotive Maintenance MacHinery Co.Supreme Court of the United States · 1945
- American Hoist & Derrick Company, Cross-Appellee v. Sowa & Sons, Inc., Cross-AppellantCourt of Appeals for the Federal Circuit · 1984
- Kingsdown Medical Consultants, Ltd. And E.R. Squibb & Sons, Inc. v. Hollister IncorporatedCourt of Appeals for the Federal Circuit · 1988
- Fmc Corporation v. The Manitowoc Company, Inc.Court of Appeals for the Federal Circuit · 1987
- Kimberly-Clark Corporation v. Johnson & Johnson and Personal Products CompanyCourt of Appeals for the Federal Circuit · 1984
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3Cited by2 opinions
- Halliburton Company v. Schlumberger Technology CorporationCourt of Appeals for the Federal Circuit · 1991
- Halliburton Co. v. Schlumberger Technology Corp.District Court, S.D. Texas · 1989