Temperature matters when determining pH levels. Whether that level should be measured at a standard room temperature or refrigerated matters even more, at least in Actelion Ltd.’s infringement litigation against Mylan Inc. According to Johnson & Johnson’s Actelion, the pH level in epoprostenol, the key ingredient in its hypertension drug Veletri, should be measured at a refrigerated temperature when it comes to Mylan’s generic formulation.

The number of cases of hantavirus infection has risen from eight to 11, following the repatriation of passengers from the cruise ship MV Hondius, with World Health Organization (WHO) Director General Tedros Adhanom Ghebreyesus warning the danger is not over. “In fact, it has entered a new phase as the passengers and crew return home,” he told attendees of a meeting at WHO’s headquarters in Geneva on May 13.

The U.S. Patent and Trademark Office (USPTO) is driving home its message that inter partes reviews (IPRs) are not to be used in conjunction with court action presenting “inconsistent positions” as a litigation strategy.