Category Archives: USPC

Cooperative Patent Classification Project

The USPTO and EPO have launched a website for information about the Cooperative Patent Classification Project, which aims to create a shared patent classification system based on ECLA.

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Common Patent Classification Project

Interesting story in IP Frontline about the development of a common classification scheme by the EPO and USPTO. The project is one of ten joint initiatives announced last year by the USPTO, EPO, JPO, KIPO and SIPO. (See the Five … Continue reading

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EPO and USPTO Agree to Develop New Patent Classification

Yesterday the EPO and USPTO announced that they have agreed to jointly develop a patent classification system based on ECLA and the IPC. The press releases are here and here. Both offices have yet to work out governance and operational … Continue reading

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Changes to Class 386 – Classification Order 1900

The USPTO has changed the title of Class 386, Television Signal Processing for Dynamic Recording or Reproducing. The new title is Motion Video Signal Processing for Recording or Reproducing. These and other changes are detailed in Classification Order 1900, issued … Continue reading

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Hidden Gems in the USPC: Cross-References & Digests

I’m not a huge fan of the U.S. Patent Classification System. It’s not intuitive and its documentation can be intimidating. The structure of the USPC is a mish-mash of historical practices and applied theories. Although it’s frequently described as a … Continue reading

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USPC Class Order #1886

The USPTO has published Classification Order #1886, which affects subclasses in Class 439 – Electrical Connectors. As of April 8, there are approximately 76,000 patents and 17,000 published applications classfied in Class 439, which is the “generic class for a … Continue reading

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IPC Reforms Aim to Integrate USPTO, EPO and JPO Classifications

WIPO just announced a series of reforms that will simplify the IPC. One of the goals is to accelerate the building of a unified IPC system that integrates USPTO, EPO and JPO classifications. Could a true international patent classification system … Continue reading

Posted in classification, ECLA, IPC, USPC | 1 Comment