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An orthopedic surgeon and inventor with a history of litigating his intellectual property rights fended off SeaSpine Holdings Corp.’s attempt to get a federal judge in Delaware to cancel a patent at issue in their clash over tools and systems to align the spine.

Procter & Gamble Co. was hit with an infringement lawsuit in federal court in California by Cao Group Inc., which says the consumer supplies giant’s Crest 3D Whitestrip products violate its peroxide gel patents.

Wells Fargo agreed to pay $12 million to more than 1,800 mortgage borrowers to resolve litigation alleging a calculation error in the bank’s software wrongly assessed their eligibility for loan modifications, according to a settlement agreement approved by an Ohio federal court.

Chevron Corp.’s legal challenge to a rule banning new wells and fracking in a northern California county will go before the state’s Supreme Court, the justices said Wednesday.

EP Energy E&P Company LP must pay landowner Storey Minerals Ltd. more than $41 million in bonuses for breaching a “most-favored nation” clause in a mineral lease contract, a Texas appeals court said Wednesday.

A VLSI Technology Inc. patent that Intel Corp. was told to pay $1.5 billion for infringing will get a validity check from an administrative tribunal, based on a challenge from a newly formed South Dakota business.

Retiring Supreme Court Justice Stephen Breyer is remembered as an indefatigable optimist and incurable extrovert, according to several of the attorneys who clerked for him over the years.