...Patent Act, a patentee may seek, and a court may grant, 'injunctions in accordance with the principles of equity to prevent the violation of any right secured by patent, on such terms as the court deems reasonable'.109 The justification for the use of permanent injunctions in patent cases arises...

...which courts shall have the power, upon bill in equity filed by any party aggrieved, in any such case, to grant injunctions, according to the course and...principles of courts of equity, to prevent the violation of the rights of any inventor ... on such terms and conditions as said courts may deem reasonable . ....

...having jurisdiction of cases under this title may grant injunctions in accordance with the principles of equity to prevent the violation of any right secured by patent, on such terms as the court deems reasonable." Although the decision whether to grant injunctive relief is within the court's discretion,...

...having jurisdiction of cases under this title may grant injunctions in accordance with the principles of equity to prevent the violation of any right secured by patent, on such terms and conditions as the court deems reasonable. (b) A court shall not grant an injunction under this...