Expert Witness Blog
JUNE 7, 2025
Harrison , 2021-NCCOA-27, the North Carolina Court of Appeals addressed the necessity of expert testimony in construction defect disputes, particularly those involving allegations of substandard workmanship in plumbing and HVAC installations. In the case of Dan King Plumbing Heating & Air Conditioning, LLC v. Continue reading
IP Watchdog
MAY 3, 2022
Venture counterclaimed, asserting that the patents were not infringed, were invalid and unenforceable. Sunoco sued Venture, alleging that its operation of butane-blending systems infringed claims of U.S. Patent Nos. 7,032,629 (the ‘629 patent), 6,679,302 (the ‘302 patent), and 9,606,548 (the ‘548 patent).
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IP Watchdog
FEBRUARY 14, 2023
In September 2021, a Wisconsin district court dismissed the patent infringement claims by SSI, as well as DZEM’s counterclaims that the patents were invalid. SSI accused DZEM of producing systems to reduce emissions for diesel truck engines that infringed U.S. Patent Nos. 8,733,153 and 9,535,038.
IP Watchdog
FEBRUARY 8, 2022
Wi-LAN counterclaimed, asserting that certain Apple devices, including certain iPhone 5 and 6 models infringed claim 1 of the ‘757 patent and claims 9, 26, and 27 of the ‘145 patent based on their use of its Long-Term Evolution (LTE) wireless communication standard.
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