Law of Patents

Chapter 6. Statutory Bars

Introduction
  1. On-Sale Bar
    1. Developmental Stage of the Claimed Invention
      Pfaff v. Wells Electronics
      view pdfPfaff Patent No. 4,491,377
      Space Systems/Loral, Inc. v. Lockheed Martin, Corp.
      view pdfSpace Systems Patent No. 4,537,375
      Comments
    2. What Constitutes an Offer of the Claimed Invention?
      Plumtree Software, Inc. v. Datamize LLC.
      view pdfDatamize Patent No. 6,646,040
      view pdfDatamize Patent No. 6,658,418
      Comments
  2. Public-Use Bar
    Egbert v. Lippmann
    view pdfBarnes Patent No. 5,216
    Motionless Keyboard Co. v. Microsoft Corp.
    view pdfMKC Patent No. 5,332,322
    view pdfMKC Patent No. 5,178,477
    Comments
  3. Comparative Perspective: “Prejudicial Disclosures” in Europe and Japan
  4. Experimental Use
    City of Elizabeth v. American Nicholson Pavement Co.
    view pdfNicholson Patent No. 11,491; Reissue Patent No. 1,583
    Electromotive Div. of General Motors Corp. v Transportation Sys. Div. of GM
    view pdfGM Patent No. 5,567,056
    view pdfGM Patent No. 5,169,242
    Lisle Corp. v. A.J. Mfg. Co.
    view pdfLisle Patent No. 5,287,776
    Comments
  5. Third-Party Activity
    Lorenz v. Colgate-Palmolive-Peet Co.
    view pdfColgate Patent No. 1,918,603
    Evans Cooling Systems, Inc. v. General Motors Corp.
    view pdfEvans Patent No. 5,255,636
    Comments
  6. Comparative Perspective: Third-Party Activity in Europe and Japan
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