Packers Plus appeals well-completion tech patent ruling [Business News Network (BNN) Energy & Resources (Canada)]
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Source: Business News Network
Packers Plus appeals well-completion tech patent ruling CALGARY - Packers Plus Energy Services Inc. has filed an appeal of a Federal Court of Canada ruling in December that declared invalid its patent for a well-completion technology that has helped usher in the shale oil and gas boom in North America. In a filing with the Federal Court of Appeal, the Calgary-based fracking technology company asks that its patent be upheld and that its patent infringement claims be supported. Defendants it names include Houston-based Weatherford International and Baker Hughes, along with producer Harvest Operations Corp. and service firms Essential Energy Services and Resource Well Completion Technologies Inc. of Calgary. In the December decision, the judge ruled that Packers' patent isn't valid because it was an "obvious" improvement on existing techniques and had been publicly disclosed before the patent application was filed. Packers' system, patented in Canada in November 2002, is used to control
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