The first inventor to file system under the America Invents Act adds a catch all category that includes anything publicly available. Some argue that the catch all phrase narrows the meaning of on sale to exclude secret offers for sale. Expect litigation in this area.

A sale of a product in foreign countries can still infringe a United States Patents if the contract provided for an operating region within the territory of the United States.

A patent application must be filed within one year after an offer for sale of the invention, public use of the invention or distribution of a printed publication regarding the invention, whichever event occurs first. Otherwise, the inventor is barred from receiving patent protection for the invention. During this one year grace period, the inventors [...]