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Doctrine of Assignor Estoppel in the United States
The equitable doctrine of assignor estoppel originated early in the history of patent law. It was developed to prevent a party who sells a patent to another from later trying to undermine the value of the thing she sold by challenging its validity. As originally applied, the doctrine generally applied between two parties that entered … Continue reading Doctrine of Assignor Estoppel in the United States
Read more »An Overview on the Invention Secrecy Act of 1951
The purpose of the Invention Secrecy Act, 1951 The Invention Secrecy Act was created to restrict the exportation of classified information that may be potentially detrimental to the security of the country. In other words, the Act enables governments to impose “secrecy orders” on a patent application that comprises of classified information that is sensitive … Continue reading An Overview on the Invention Secrecy Act of 1951
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