Portable Network Graphics (PNG) Working Group - Charters

The group Charters are listed below and the active Charter is available here.

• Chartered under the Patent Policy 2025 from 2025-11-21 until 2027-11-21 (active)
• Chartered under the Patent Policy 2020 from 2023-10-23 until 2025-10-30
  • Extended until 2026-01-30
• Chartered under the Patent Policy 2020 from 2021-09-14 until 2023-08-31
  • Extended until 2023-10-23