Halliburton Says Ex-Worker Hid Drilling Method Patent

Law360, Houston (January 22, 2013, 4:43 PM EST) -- A subsidiary of Halliburton Co. on Friday launched a suit in Texas court alleging a former employee secretly patented and is now marketing a process he created while working for the oilfield services giant that improves well efficiency, violating his employment agreement.

Halliburton Energy Services Inc. claims Hong "Max" Wang, while employed as an engineer with the company, had his sister apply for a patent on his invention — which seals cracks in oil and gas wellbores — when he should have turned it over to...
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