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DIFF Subclass Not Allocatable
B99Z

SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION

Introduced: January 2006

Description

B99Z is a residual classification designated for inventions and subject matter within Section B (Performing Operations; Transporting) that do not fall within any other established subclass. This catch-all category accommodates novel or atypical technologies in mechanical engineering, transportation, and industrial processes that lack a dedicated classification. It serves as a temporary or final repository for borderline cases until sufficient related patents warrant creation of a dedicated subclass. Patent examiners assign to B99Z only when exhaustive review confirms no other subclass in Section B provides adequate coverage.

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2006.

Child Classifications

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  • B99Z 99/00 Subject matter not otherwise provided for in this section since 2006 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B99,2013–2023, worldwide · Source: EPO PATSTAT

  1. SHINTANI TATSUYA 10
  2. SHRAMENKO NATALIA YURIIVNA UA 2
  3. KHARKIV NATIONAL AUTOMOBILE-ROAD UNIVERSITY UA 2
  4. STEPANYAN ARUTYUN GEVORKOVICH RU 1
  5. YODA MOTOAKI 1
  6. NAHORNYI YEVHEN VASYLIOVYCH UA 1
  7. MOHAMMADIAN ABKENAR, SEYED MOJTABA SMMA CA 1
  8. ALSTOM TECHNOLOGY CH 1
  9. THE NIELSEN COMPANY (US) US 1
  10. VYTAUTO DIDZIOJO UNIVERSITETAS LT 1