Virtual Patent Marking

Virtual Patent Marking

PDF3D libraries, applications, systems, utilities and products are protected by:

  • U.K. Patent Numbers. GB2477368, GB2484561, GB2521452
  • U.S. Patent Numbers US8736603, US9424662
  • Australia Patent Number  AU2011315250

Visual Technology Services Ltd. products are protected by patents in the U.S., U.K. and elsewhere. This web page is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent marking provisions of the America Invents Act (AIA). Additional patent applications are pending in these and other territories.

PDF3D® is registered as UK trade mark 2426431 by Visual Technology Services Limited.

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