A troubling and confusing issue here in Pennsylvania concerns the ownership of oil and gas rights under roads and highways. For example, let’s assume Farmer Joe owned 115 acres in Greene County. In ...

This article explores developments (both positive and negative) in the post-TMA world in which courts have wrestled with implementation of the presumption of irreparable harm in trademark cases. On ...

An expert Q&A on the evolution of the US Supreme Court’s jurisprudence on the fraud-on-the-market presumption of reliance in securities class action litigation, from Halliburton Co. v. Erica P. John ...

The presumption that a child born of a married couple is the child of that couple is one of the oldest and strongest presumptions in the American common law tradition. Due to various and substantial ...

After the Federal Circuit vacated and remanded the district court’s non-obviousness determination, the district court again found that Teva failed to show, by clear and convincing evidence, that the ...