When patents have claims that overlap each other in a manner that the invention claimed in one patent cannot be used or sold (“practiced” in patent lingo) without infringing the claims of the other patent and vice versa, each patent is referred to as a “________ ________” since it blocks the use of the other. Answer:Blocking Patent
the u.s. patent and trademark office (uspto) assigns numbered classes and subclasses to inventions for the purpose of classifying patents issued on them and facilitating retrieval of these patents in the course of a patent search. to conduct a search for prior patents relevant to an invention, one must first determine its proper classification. there are roughly 300 main classes, and an average of more than 200 subclasses under each main class. an invention will fall within at least one of the 66,000 separate classifications, and sometimes several.
Answer:Classification of Patent
This is proving to be a easy and simple but fun task.
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