What is the “on sale” bar under pre-AIA 35 U.S.C. 102(b)?
The “on sale” bar under pre-AIA 35 U.S.C. 102(b) prevents an inventor from obtaining a patent if the invention was on sale in the United States more than one year prior to the date of the application for patent. The Supreme Court in Pfaff v. Wells Electronics, Inc. established a two-part test for determining if…
Read MoreWhat constitutes a “public use” under pre-AIA 35 U.S.C. 102(b)?
A “public use” under pre-AIA 35 U.S.C. 102(b) occurs when the invention is in public use before the critical date and is ready for patenting. The Federal Circuit has explained that the proper test for the public use prong includes two key elements: The purported use was accessible to the public; or The invention was…
Read MoreWhat does “ready for patenting” mean in the context of the on sale bar?
The phrase “ready for patenting” is a key component of the two-part test established by the Supreme Court in Pfaff v. Wells Electronics, Inc. for determining whether an invention is “on sale” under pre-AIA 35 U.S.C. 102(b). An invention is considered “ready for patenting” when it is either: Reduced to practice; or Depicted in drawings…
Read MoreWhat is the experimental use exception to the public use and on sale bars?
The experimental use exception is a legal doctrine that can negate what would otherwise be considered a public use or sale under pre-AIA 35 U.S.C. 102(b). This exception allows inventors to test and perfect their inventions without triggering the statutory bars. As stated in MPEP 2133.03(e): “The question posed by the experimental use doctrine is…
Read MoreHow does commercial exploitation affect the public use and on sale bars?
Commercial exploitation is a significant factor in determining whether an invention has been in public use or on sale under pre-AIA 35 U.S.C. 102(b). Even if an inventor claims experimental use, evidence of commercial exploitation can negate this defense and trigger the statutory bars. As stated in MPEP 2133.03(e)(1): “As the degree of commercial exploitation…
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