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DIFF Subclass Not Allocatable
D99Z

SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION

Introduced: January 2006

Description

D99Z serves as a residual classification for textile and paper-related inventions that do not fit within the established subclasses of Section D. This category captures innovations in textiles, paper, and related technologies that fall outside the scope of more specific IPC divisions covering fibers, yarns, fabrics, paper manufacturing, or finishing processes. Examiners should exhaust all relevant specific classifications in Section D before assigning D99Z, as this subclass is intended only for genuinely unclassifiable subject matter. D99Z functions as a catch-all provision to ensure comprehensive coverage of the textile and paper domain while maintaining the integrity of more specialized classification codes.

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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  • D99Z 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 D99,2013–2023, worldwide · Source: EPO PATSTAT

  1. LYKHOVYD ANDRII LEONIDOVYCH UA 1
  2. ROOSE, MADELYN ZA 1
  3. J. ADAMS & ASSOCIATES TW 1
  4. PORCHER INDUSTRIES FR 1

Top Applicants (CPC)

Class D99,2013–2023, worldwide · Source: EPO PATSTAT

  1. MILLIKEN & COMPANY US 11
  2. MILLIKEN & COMPANY 3
  3. 美利肯公司 1