MEMORANDUM OF ALTERATION Archives

memorandum of alteration

memorandum of alteration. English law. A patentee’s disclaimer of certain rights — such as rights to part of an invention that is not new and useful — to avoid losing the whole patent. • Until the mid-19th century, if a single patent was granted for two inventions, one of which was not new and useful, […]

memorandum of alteration

glossary / MEMORANDUM OF ALTERATION, 专利权变更备忘录

memorandum of alteration 〈英〉专利权变更备忘录英国专利法早先规定，同一专利授予两项发明，如其中一项不具有新颖性或实用性，则整个专利无效。同一规则也适用于单个发明的实质性部分具有上述瑕疵。为补救这一专利，专利法允许专利权人提出放弃部分专利或变更专利权利要求或说明书的声明。这一声明不属于延伸专利权性质，从而使声明成为专利证书或说明书的组成部分。

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