The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2003
Filed:
Dec. 31, 1999
Thomas Edward Cooper, Louisville, CO (US);
Robert Franklin Pryor, Boulder, CO (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
According to one aspect of the invention, a method of creating a trial software product on a target system is provided. The method consists of intercepting file system calls from an installation process associated with a full software product and, responsive to a write request from the installation process, encrypting data associated with the write request if the write request is associated with one of a predetermined set of critical product files. The predetermined set of critical product files including those product files comprising the full software product that have been identified as files to which access is to be controlled.