Packers Plus files appeal of court ruling that fracking technology patent is invalid

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https://i.cbc.ca/1.1583824.1516058833!/httpImage/image.jpg_gen/derivatives/16x9_460/hi-packers-plus-852.jpg 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.


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