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Reed Tech USPTO Data Portal - Patent Classification ...

The Index to the U.S. Patent Classification File is based on the system used by the U.S. Patent and Trademark Office to classify patents. It is an alphabetical list of 67,800+ subject headings referring to specific classes and subclasses of the patent classification system.

Derwent World Patents Index - Wikipedia

The Derwent World Patents Index (DWPI) is a database containing patent applications and grants from 44 of the world's patent issuing authorities.. Compiled in English by editorial staff, the database provides a short abstract detailing the nature and use of the invention described in a patent and is indexed into alphanumeric technology categories to allow retrieval of relevant patent documents ...

Cooperative Patent Classification - Wikipedia

The Cooperative Patent Classification (CPC) is a patent classification system, which has been jointly developed by the European Patent Office (EPO) and the United States Patent and Trademark Office (USPTO). The CPC is substantially based on the previous European classification system (ECLA), which itself was a more specific and detailed version of the International Patent Classification (IPC ...

Index to Manual of Classification of Patents

Index to Manual of Classification of Patents. The Manual of Classification has over 400 classes. What follows is the Index to the Classification, where you can determine the class of your idea by searching keywords. Once you have the class or class/subclass that seems relevant, you can then switch over to the Manual of Classification to see the ...

EPO - Espacenet: patent database with over 110 million ...

Classification search in Espacenet helps you to find suitable classification symbols for your search, and then to apply in the search itself. Classification search; Global Dossier. Global Dossier provides access to the file wrapper of a patent application, wherever it is made available by the patent …

Index to the United States Patent Classification (USPC) System

The Inventors Assistance Center is available to help you on patent matters. Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the [email protected]

WIPO International Classifications

International Patent Classification. The International Patent Classification (IPC) is used to classify patents and utility models according to the different areas of technology to which they pertain. The IPC was established by the Strasbourg Agreement in 1971 and is …

United States Patent Classification - Wikipedia

The United States Patent Classification is an official patent classification system in use and maintained by the United States Patent and Trademark Office (USPTO). It was mostly replaced by the Cooperative Patent Classification (CPC) on January 1, 2013. Plant and design patents are still classified solely within USPC at the USPTO.

Espacenet - Cooperative Patent Classification (CPC)

Aug 26, 2019· Cooperative Patent Classification (CPC) The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. The CPC is subject to ongoing revision by both offices, and documents are reclassified accordingly.

Search Patent Classification Systems

Locarno Classification ; USPC . Class Titles ; Index to USPC ; Other . Espacenet Patent Search ; JPO Classification system – File Index (FI) and F-terms ; Nice Agreement ; Vienna Agreement ; WIPO Standards on Industrial Property Information and Documentation ; Contacts . Classification Standards and Development ; Contacts

Patent classification - Wikipedia

A patent classification is a system for examiners of patent offices or other people to categorize (code) documents, such as published patent applications, according to the technical features of their content.Patent classifications make it feasible to search quickly for documents about earlier disclosures similar to or related to the invention for which a patent is applied for, and to track ...

Espacenet - Classification search

Patent applications are classified in classification schemes on the basis of their technical content. They are assigned classification symbols, for example A43B49. This makes it easier to manage and to search for patent applications in a given technical field. Searching with classification symbols offers advantages over searching with keywords.

US8051109B2 - Classification-expanded ... - Google Patents

Document classification systems are valuable tools for searching and retrieving classified documents but can be prohibitively complex and cumbersome for users. A system for the indexing and retrieval of classified documents inserts keywords, titles or definitions of previously applied classifications into the document record and provides the resulting record to a search engine.

DPMA | Patents and utility models

Aug 10, 2019· More than 100 patent offices use the International Patent Classification (IPC) to achieve an internationally uniform classification of patent office publications. The IPC serves as a search tool for the retrieval of patent documents in order to establish novelty and evaluate the inventive step or non-obviousness including the assessment of ...

Patent Classification | USPTO

Patent classification is a system for organizing all U.S. patent documents and other technical documents into specific technology groupings based on common subject matter. On January 1, 2013, the USPTO moved from using the United States Patent Classification (USPC) system to the Cooperative Patent ...

USPTO Patent Classification Information

The U.S. Patent Application Master Classification File contains classification information on all patent applications published by the U.S. Patent and Trademark Office. ... The Index to the U.S ...

Espacenet - Classification search

What is the Cooperative Patent Classification system? How do I enter classification symbols? What do the different buttons mean? Can I retrieve a classification using keywords? Can I start a new search using the classifications listed? Where can I view the description of a particular CPC class?

A - Index to the U.S. Patent Classification System

Locarno Classification ; USPC . Class Titles ; Index to USPC ; Other . Espacenet Patent Search ; JPO Classification system â€" File Index (FI) and F-terms ; Nice Agreement ; Vienna Agreement ; WIPO Standards on Industrial Property Information and Documentation ; Contacts . Classification Standards and Development ; Contacts

International Patent Classification (IPC)

The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent symbols for the classification of patents and utility models according to the different areas of technology to which they pertain. A new version of the IPC enters into force each year on January 1.

The International Patent Classification IPC - DPMA

Aug 10, 2019· The International Patent Classification IPC. Structure of the IPC. The IPC is a hierarchical system in which all technical knowledge for the field of inventions is divided into sections, classes, subclasses, main groups and subgroups, in descending order of hierarchy.

Patent Classification Search: Everything You Need to Know

Patent Classification Search: Everything You Need to Know Patent Law Resources Patent Search. By searching for patents with classification symbols, you are able to do a more precise search of existing patents, than if you just searched using keywords. 15 min read

US Design Patents - Index of Classes and Description

US Design Patents - Classification and Popularity. In the United States a design patent can be granted for a "new, original, and ornamental design for an article of manufacture". It may only have a single claim. ... Below are a few examples, as well as an index of the 33 design classes.

Index to the United States Patent Classification (USPC) System

Index to the United States Patent Classification (USPC) System Preface to the Index to the USPC : Select the format and section (by letter) ...

Search Patent Classification Systems

Locarno Classification ; USPC . Class Titles ; Index to USPC ; Other . Espacenet Patent Search ; JPO Classification system – File Index (FI) and F-terms ... part of the class 532-570 series : 585: ... United States Patent and Trademark Office. United States Patent and Trademark Office. Browse By Topic .

Cooperative Patent Classification - Cooperative Patent ...

Sep 20, 2019· EPO and USPTO launched the Cooperative Patent Classification System. The CPC is the result of a partnership between the EPO and the USPTO in their joint effort to develop a common, internationally compatible classification system for technical documents, in particular patent publications, which will be used by both offices in the patent granting process

OFFICIAL CATCHWORD INDEX to the Eighth Edition (2006) of ...

The International Patent Classification (hereinafter referred to as "the Classification") is a system for the classification and retrieval of technical information contained in patent documents. This Catchword Index is intended to indicate the part or parts of the eighth edition

DWPI classification system - Derwent

DWPITM categorizes patent documents using a simple classification system for all technologies. This unique classification is consistently applied to all patents by Clarivate Analytics subject experts, enabling effective and precise searching in a particular area of technology. Patents are divided into three broad areas: Chemical, Engineering, and Electronic and Electrical Engineering.

DWPI - Derwent World Patents Index - Derwent

Derwent World Patents Index™ (DWPI) is the world's most comprehensive database of enhanced patent information. Subject experts from Derwent's editorial team analyze, abstract and manually index every patent record, making it easier for you to quickly find …

DERWENT WORLD PATENTS INDEX

titles e.g. 'valve' can be either electrical or mechanical. So a subject classification system is essential for effective patent searching. Clarivate Analytics categorizes patent documents using an easy to use Derwent World Patents Index® (DWPI) classification system for all technologies.

United States Patent and Trademark Office

Home page of the United States Patent and Trademark Office's main web site.