Commenting for Bloomberg Law on a recent Federal Circuit ruling that overturned a $1.1 billion damages ruling for the California Institute of Technology but expanded how estoppel applies in district court litigation where the PTAB has instituted an inter partes review involving the same patents, Washington, DC principal Christina Ondrick said, “I expect future litigation challenging whether estoppel applies to claims that are patentably indistinct from the IPR challenged claims. In the short term, CalTech has already resulted in a slew of district court filings, thus providing district courts with additional guidance on pending disputes over IPR estoppel.” Read the article here.