Good article on using Wayback Machine ( in patent litigation

One important use is as a source of reliably-dated prior art. The authors discuss admissibility and authentication issues. Two additional points not made in the article:

  • Technical experts may reasonably rely on dated web pages from
  • In addition to web pages, the Wayback Machine also contains a substantial amount of software with datestamps — a potentially good source of software prior art.

[Way]Back to the Future: Using the Wayback Machine in Patent Litigation
By James L. Quarles III, Richard A. Crudo


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