Patents by Inventor Semer Geoffrey Thomas LaFontaine

Semer Geoffrey Thomas LaFontaine has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of and software for recordal and validation of changes to markup language files
    Patent number: 8196135
    Abstract: A method of recording changes to a markup language file which employs application-defined tags. The changes are recorded in a delta file which is also a markup language file providing validation of the recorded changes against substantially the same markup language structure as that of the markup language file being changed. Where the original markup language file is an XML file with a DTD, a DTD can be created for the delta file which substantially follows the DTD of the original markup language file. Strict compliance of the data recorded in the delta file with the delta DTD provides validation of the changes with respect to the original XML file.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: June 5, 2012
    Assignee: Deltaxml, Limited
    Inventor: Semer Geoffrey Thomas LaFontaine