ADA Solutions, Inc. (Chelmsford, MA) has sued Access Prods. Inc. (Buffalo, NY) and others for infringement of Patent No. 8,028,491 directed to a replaceable wet-set tactile warning surface unit. A number of defendants are also named in an earlier suit by the same plaintiff on a different patent related to similar technology.
I believe this is the first patent starting with 8 that has been asserted in D. Mass. The complaint was filed the day the patent issued.
ADA Solutions, Inc. v. Access Prods. Inc., 11-11757-NMG (D. Mass. Oct. 4, 2011)
ADA Solutions, Inc. v. Engineered Plastics, Inc., 11-11758-NMG (D. Mass. Oct 4, 2011)
ADA Solutions, Inc. v. Cape Fear Systems, LLC, 11-11798-NMG (D. Mass. Oct 4, 2011)
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