A Microsoft patenteou um "método e sistema para seleccionar e conjugar um verbo". Como? É simples: "A verb conjugating system allows a user to input a form of a verb and display the verb forms. The verb conjugating system allows the user to input the infinitive form or non-infinitive forms of a verb. When a user inputs a non-infinitive form of a verb, the verb conjugating system identifies a corresponding base form of the verb. The verb conjugating system then uses the base form to retrieve and display the verb forms for the verb. The verb conjugating system may highlight the non-infinitive form of the verb within the displayed verb forms to assist the user in locating the verb form of interest."
E a "prior art"? Considering What Constitutes Prior Art in the United States [em 1991], "First, a person is not entitled to a patent if the invention was "known or used by others in this country, or was patented or described in a printed publication in this or a foreign country" before the date of invention by the applicant for the patent. If, for example, an invention is known or is being used by someone in the United States, another person who makes the same invention at a later date may not obtain a patent. Prior knowledge or use in a different country, however, is not a bar to a patent application in the United States. In contrast, a prior patent or a printed publication anywhere in the world will bar an applicant for patent in the United States if it appeared before the date of the applicant's invention."
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