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During patent prosecution, the disclosed utility is presumed valid. The patent office bears the burden to disprove utility. The standard the USPTO uses is whether it is more likely than not that it would lack utility from the perspective of a person having ordinary skill in the art. If the examiner shows evidence that the invention is not ...
A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but ...
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".
Patent applications can be filed at the United States Patent and Trademark Office (USPTO). Prior to June 7, 1995, the duration of a US utility patent was 17 years from patent issuance. Since that date, the duration of the US utility patent is 20 years from the earliest effective filing date.
A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...
Unlike in most other coutries, having a patent and a utility model for the same invention is not allowed in Russia. However, it is possible to have a Russian utility model and a Eurasian patent for the same invention. The main advantage of a utility model in Russia is a very short prosecution time (usually, no more than 6 moths) and a low cost.
The German utility model has some interesting characteristics, when compared to the German patent or to the European patent designating Germany: Prior art considered for examining novelty and inventive step is somewhat more limited: Oral disclosures are not taken into account, only written disclosures are taken into account;
A particular form of letters patent has evolved into the modern intellectual property patent (referred to as a utility patent or design patent in United States patent law) granting exclusive rights in an invention or design. In this case, it is essential that the written grant should be in the form of a public document so other inventors can ...