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The current version of the MPEP is the 9th Edition, which was released in March 2014. The MPEP has traditionally been available in paper form, but electronic versions are now used more often, particularly because an applicant only may consult the electronic versions while taking the USPTO registration examination, or the patent bar examination ...
Prosecution history estoppel, also known as file-wrapper estoppel, is a term used to indicate that a person who has filed a patent application, and then makes narrowing amendments to the application to accommodate the patent law, may be precluded from invoking the doctrine of equivalents to broaden the scope of their claims to cover subject matter ceded by the amendments.
(a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth ...
The rules and laws governing patent prosecution are often laid out in manuals released by the Patent Offices of various governments, such as the Manual of Patent Examining Procedure (MPEP) in the United States, or the Manual of Patent Office Practice (MOPOP) in Canada. The formalities and substantive requirements for filing patent applications ...
By extension, a disclaimer may also mean the amendment consisting in introducing a negative limitation in an existing claim, i.e. "an amendment to a claim resulting in the incorporation therein of a 'negative' technical feature, typically excluding from a general feature specific embodiments or areas".
Amendment of patent specifications (set by United Kingdom's JEB, Advanced Paper P4) Infringement and validity (set by United Kingdom's JEB, Advanced Paper P6) As in the UK (see below), exemptions from the Drafting and Amendment papers can be obtained if the equivalent papers in the European Qualifying Examination have been passed.
At this time, further amendments of the patent application are allowed only to correct formal objections, which typically include minor and obvious mistakes. The presence of such formal objections precludes the full closing of prosecution; therefore, in these situations, the United States Patent and Trademark Office (USPTO) issues an Ex parte ...
This is a list of special types of claims that may be found in a patent or patent application.For explanations about independent and dependent claims and about the different categories of claims, i.e. product or apparatus claims (claims referring to a physical entity), and process, method or use claims (claims referring to an activity), see Claim (patent), section "Basic types and categories".