PTAB Says Rehashed Args. Sink Pipe Rehab Patent Reviews

By Vin Gurrieri ( August 27, 2015, 1:34 PM EDT) -- The Patent Trial and Appeal Board has declined BLD Services LLC's requests to institute America Invents Act reviews of two LMK Technologies LLC trenchless sewer pipe rehabilitation patents, saying BLD tried to take a second bite at the apple to invalidate claims the PTAB had already declined to review....

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