Patent Glossary VWXYZ

The Patent Glossary VWXYZ - for the letters V, W, X, Y, and Z. What for instance is the written description, WIPO, validity, or the X patents?



Sound and justified; meeting the test of patentability.


The issue of whether a patent is valid. See Valid.

Verified Statement/Showing

A verfied statement is one made with the stated knowledge that false statements and the like are punishable by fine or imprisonment, or both, and may jeeopardize the validity of the application or any patent that issues from it. A showing is evidence that the statement is true.W

withdrawn patent

An allowed application for patent in which the applicant files correspondence to withdraw the patent from issue; ;thus preventing it from issuing on the patent issue date. The printed document is sometimes available on the day of publication, but is later retracted and will not be available in the patent database. No copy of the patent document will appear on the official USPTO web site.
-- see 37 CFR 1.313 and 1.114 for more


World Intellectual Property Organization, an agency of the United Nations, that acts as a coordinating body for patent systems and procedures, as well as for trademark and copyright matters. MPEP 1801.


The permanent abandonment of a PCT patent application either before or after publication. Priority claims as well as elections of States and the Demand may also be withdrawn. MPEP 1859, MPEP 1880.

Worked or Working

The condition of having met a country's requirement that an invention be put to use in some way. Most countries require "working" of a patent within a specified time after grant. Conditions for "working" requirements vary widely, from publication of availability of licenses to actual manufacture or sale of a product that embodies the claimed invention.

Written Description

A description (disclosure) of an invention that is written in a patent application. A requirement that a patent application clearly convey what the inventor(s) considered his/her/their invention to be to a person skilled in the art. MPEP 2163.


World Trade OrganizationX

X patent

Refers to a series of patents restored after the Great Fire of 1836. The US patent office had issued about 10,000 patents before the fire. Most of these could never be revived again, but Congress acted to restore those records that could be reconstructed from private files and reproduce models which were deemed critical. Patents whose records were not restored were canceled. There were a total of 2,845 patents restored, most of which were eventually given a number beginning with "X". All patents after the date of the establishment of the Patent Office in July 1836 were numbered as a new series (without the X), beginning with a new Patent No. 1YZL


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