Estoppel Doctrine in China's Patent System
In Susan Davis Van Dyke et al. v. The Navigator Group. et al., the Eastland court of appeals applied recent fixed-versus-floating NPRI principles to a double-fraction mineral interest reservation....more
Let’s talk the Duhig Rule and estoppel by deed in Texas. Don’t run away yet. We’ll get to the point quickly and then you can leave....more
How long – if ever – has it been since you pondered the difference between a “tenancy in common” and a “joint tenancy”? Same for us, until the wheels came off a family relationship and a lawsuit was filed in Wagenschein v....more
Did the lessor’s deposit of royalty checks for production from a pooled unit that she contends was improper ratify the improper pooling? In Strickhausen v. Petrohawk et al, a jury will have to sort out the answer....more
The Supreme Court of the State of New York (Appellate Division)(“Court”) in a December 22, 2017, Memorandum and Order (“Order”) addressed whether a lower court erred in failing to dismiss a third-party claimant’s...more
The Supreme Court of the State of New York (Appellate Division) (“Court”) in a November 9th Memorandum and Order (“Order”) addressed whether field invoices provided to a customer for the performance of hydraulic fracturing...more
The Supreme Court of Pennsylvania has recently confirmed that the doctrine of estoppel by deed applies to oil and gas leases and does not require detrimental reliance. See Shedden v. Anadarko, No. 103 MAP 2014, --- Pa. ---...more
If you ask ten attorneys what keeps them up at night, at least six of them will recount nightmares about missing a filing deadline. I know what you're thinking. How hard can it be? You just look in the Code, find the...more