Priority Date: 03.07.13 (JP 20130139814)

Method of manufacturing photomask blank and photomask blank

  • Application ID: EP14175323
  • Status: NO OPPOSITION FILED WITHIN TIMELIMIT

Applicant

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Technology Company

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Specialization

This EP application has the IPC class G03 (PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY). WP Thompson is specialised in G03 (PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 03.07.2013 - Priority Date (JP 20130139814)
  • 07.01.2015 - Publication A1 (EP2821853)
  • 17.02.2016 - Publication B1 (EP2821853)

IPC Classification