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- Doctrine_of_equivalents abstract "The doctrine of equivalents is a legal rule in most of the world's patent systems that allows a court to hold a party liable for patent infringement even though the infringing device or process does not fall within the literal scope of a patent claim, but nevertheless is equivalent to the claimed invention. U.S. judge Learned Hand has described its purpose as being "to temper unsparing logic and prevent an infringer from stealing the benefit of the invention".The goal of the doctrine of equivalents is to provide patent owners with fair protection for their patents. Historically, courts took a literal approach to patent interpretation, based on established principles of legal interpretation. However, by the 18th and 19th centuries, this had come to be seen as unduly limiting on the scope of protection afforded a patent-holder, especially as patent applicants are often required to describe new technology for which an adequate vocabulary has not yet been developed.[citation needed] In response to this, the English courts developed a so-called 'pith and marrow' approach, which tried to distinguish between the essential and non-essential features of a patent claim when deciding infringement cases.[citation needed] At the same time, courts in other countries, notably the United States, developed slightly different approaches to claim interpretation, of which the 'doctrine of equivalents' is perhaps the most famous.[citation needed] The equivalents doctrine takes a more holistic approach when comparing the patented invention with an alleged infringing device than did the 'pith and marrow' approach.[citation needed]Attempts are ongoing at harmonizing the different approaches internationally (see below); however, progress is slow due to the long history of patent law in developed nations. The doctrine has been criticized as unduly vague, to the extent that it injects uncertainty and unpredictability to a patent system.".
- Doctrine_of_equivalents wikiPageExternalLink abstract=533083.
- Doctrine_of_equivalents wikiPageExternalLink RL31156.pdf.
- Doctrine_of_equivalents wikiPageExternalLink 02-1005.doc.
- Doctrine_of_equivalents wikiPageExternalLink Rigamonti_40IDEA163_ger.pdf.
- Doctrine_of_equivalents wikiPageID "1147032".
- Doctrine_of_equivalents wikiPageRevisionID "597938672".
- Doctrine_of_equivalents hasPhotoCollection Doctrine_of_equivalents.
- Doctrine_of_equivalents subject Category:Legal_doctrines_and_principles.
- Doctrine_of_equivalents subject Category:Patent_law.
- Doctrine_of_equivalents type Abstraction100002137.
- Doctrine_of_equivalents type Belief105941423.
- Doctrine_of_equivalents type Cognition100023271.
- Doctrine_of_equivalents type Content105809192.
- Doctrine_of_equivalents type Doctrine105943300.
- Doctrine_of_equivalents type LegalDoctrinesAndPrinciples.
- Doctrine_of_equivalents type PsychologicalFeature100023100.
- Doctrine_of_equivalents comment "The doctrine of equivalents is a legal rule in most of the world's patent systems that allows a court to hold a party liable for patent infringement even though the infringing device or process does not fall within the literal scope of a patent claim, but nevertheless is equivalent to the claimed invention. U.S.".
- Doctrine_of_equivalents label "Doctrine of equivalents".
- Doctrine_of_equivalents label "均等論".
- Doctrine_of_equivalents label "等同原则".
- Doctrine_of_equivalents sameAs 均等論.
- Doctrine_of_equivalents sameAs m.04bbh_.
- Doctrine_of_equivalents sameAs Q5287597.
- Doctrine_of_equivalents sameAs Q5287597.
- Doctrine_of_equivalents sameAs Doctrine_of_equivalents.
- Doctrine_of_equivalents wasDerivedFrom Doctrine_of_equivalents?oldid=597938672.
- Doctrine_of_equivalents isPrimaryTopicOf Doctrine_of_equivalents.