PTLR Thicket Definition

This page is part of the Patent Thicket Litature Review

Notes

This page contains the various definitions of patent thickets encountered. I will start providing detailed descriptions of each definition soon.

Definitions

Defining by Reference

• Refs Heller/Heller \& Eisenberg
• Refs Shapiro
  • See Shapiro

Defining by quotation

• Quotes Shapiro
  • Shapiro Verbatim

Implied Specific Definitions

• Diversely-held Complementary Inputs
• Multiple Overlapping Blocking Patents
  • Multiple patents read on the product
  • Overlapping patents
  • Overlaping blocking patents
  • Multiple Overlapping Patents
• Based on Infrigement
  • Questionable patents
• Broad patents

Andrew's Definition Key

• Diversely-held Complementary Inputs = different firms possesing patents that are complementary
• Multiple Overlapping Blocking Patents = many overlapping patents on the same product
• Based on Infringement = (lack of clear definition of patents, broad patents, questionable patents)
• References Shapiro, Quotes Shapiro, References Heller/Eisenberg, Quotes Heller/Eisenberg
• Strategic Value
• Fees or Royalties = Extraction of Fees and/or Royalties