Patent №
US 8,533,480
Granted
2013-09-10
Filed 2010
Owner
ADOBE SYSTEMS INCORPORATED
Lab
—
AI components
2
nlp · kr
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
12795502
Methods and apparatus, including computer program products, implementing and using techniques for document authentication. An electronic document is presented to a user. The electronic document has data representing a signed state and a current state. A disallowed difference between the signed state and the current state is detected, based on one or more rules that are associated with the electronic document. A digital signature associated with the electronic document is invalidated in response to the detecting.
AI classification
Ownership
ADOBE SYSTEMS INCORPORATED
assignment · 270280929
Assignors
PRAVETZ, JAMES D., CHAUDHURY, KRISH, AGRAWAL, SUNIL C.
On an employer assignment, the assignors are typically the inventors.