Cooperative Patent Classification

Cooperative Patent Classification
Name	Cooperative Patent Classification
Type	Classification system
Inventor	European Patent Office and United States Patent and Trademark Office
Introduced	2013
Related	International Patent Classification

Cooperative Patent Classification is a joint patent classification system created by the European Patent Office and the United States Patent and Trademark Office to harmonize patent documentation across jurisdictions and improve patent searching, examination, and cooperation among intellectual property institutions. It provides a detailed hierarchical taxonomy aligned with the International Patent Classification while supporting cross-references to national collections such as the Japan Patent Office, China National Intellectual Property Administration, and regional examiners from the World Intellectual Property Organization. The system influences workflows at institutions like the European Union Intellectual Property Office and informs policy dialogues involving bodies such as the Organisation for Economic Co-operation and Development and the United Nations.

Overview

The classification assigns symbols to inventions to enable retrieval in databases handled by offices such as the United States Patent and Trademark Office, European Patent Office, and the Japan Patent Office, facilitating patent analytics used by corporations including IBM, Samsung, and Siemens. It augments the International Patent Classification by providing granular entries that support search strategies employed by litigators in courts like the United States Court of Appeals for the Federal Circuit and patent counsel advising clients in matters related to treaties such as the Patent Cooperation Treaty and directives from the European Commission. Users in industry clusters such as those around Silicon Valley, Shenzhen, and Bangalore rely on the taxonomy for freedom-to-operate studies involving firms like Apple Inc., Huawei, and Intel.

History and Development

Development began through bilateral collaboration between the European Patent Office and the United States Patent and Trademark Office to reconcile divergences with the International Patent Classification after decades of independent schemes spanning offices such as the Japan Patent Office and the Canadian Intellectual Property Office. The rollout in 2013 followed consultations referencing practices from agencies like the Australian Patent Office and the Korean Intellectual Property Office, with implementation informed by stakeholders including multinational corporations like General Electric, academic institutions such as Massachusetts Institute of Technology, and standards bodies like the International Organization for Standardization. Subsequent updates were coordinated alongside initiatives involving the World Intellectual Property Organization and were influenced by legal developments adjudicated in venues including the European Court of Justice and the Supreme Court of the United States.

Structure and Classification Scheme

The scheme uses an alphanumeric hierarchy of sections, classes, subclasses, groups, and subgroups similar to structures found in classifications used by entities like the International Patent Classification and regional systems modeled by the European Patent Office. Entries map to technical fields relevant to industries such as pharmaceuticals represented by companies like Pfizer and Roche, telecommunications sectors with actors like Ericsson and Nokia, and automotive innovators such as Toyota and Volkswagen. Cross-references and reclassification notices interact with bibliographic databases maintained by institutions such as Google Patents, Espacenet, and the United States Patent and Trademark Office public search. The taxonomy supports indexing used in patent landscapes conducted by consulting firms like McKinsey & Company and professional services firms such as Deloitte and PwC.

Administration and Governance

Day-to-day management is led by staff at the European Patent Office and the United States Patent and Trademark Office with governance mechanisms shaped by memoranda and agreements involving the World Intellectual Property Organization and national delegations including representatives from the China National Intellectual Property Administration and the Japan Patent Office. Policy decisions reflect inputs from industry associations such as the International Federation of Intellectual Property Attorneys and standard-setting organizations like the Institute of Electrical and Electronics Engineers. Changes to the classification are promulgated through bulletins and editorial committees parallel to processes in bodies such as the Organisation for Economic Co-operation and Development and the European Commission.

Use in Patent Examination and Searching

Examiners at offices including the European Patent Office, United States Patent and Trademark Office, and the Japan Patent Office use the classification to retrieve prior art and to tag citations relied upon in opinions issued to applicants such as Samsung and Intel. Search workflows integrate resources like Espacenet, Google Patents, and commercial databases maintained by firms like LexisNexis and Thomson Reuters to perform validity analyses for litigation in courts such as the United States Court of Appeals for the Federal Circuit or regulatory reviews before agencies like the European Commission. Patent attorneys and in-house counsel at corporations including Microsoft, Amazon (company), and Cisco Systems utilize classification codes for portfolio management, licensing negotiations, and due diligence in transactions overseen by law firms such as Baker McKenzie and Skadden, Arps.

Implementation and International Adoption

Adoption extends through bilateral and multilateral arrangements involving offices such as the European Patent Office, United States Patent and Trademark Office, Japan Patent Office, and national authorities like the China National Intellectual Property Administration and the Korean Intellectual Property Office with databases synchronized to services like Espacenet and commercial platforms provided by PatSnap. Training programs and harmonization workshops have involved stakeholders from universities such as Stanford University and Tsinghua University and industry consortia including the World Wide Web Consortium. The classification’s role in international cooperation influences patent policy discussions in forums like the World Intellectual Property Organization and trade negotiations involving the World Trade Organization.

Category:Intellectual property