Patent ID: 7930316
Filing Date: 2011-04-19
Classification: G06F,G06Q

Abstract:
1. A method for dynamic field-level access control in a shared document, comprising: providing a field in the shared document, wherein an indication is designated to the field to indicate the field is initially not owned and can be edited by any user, wherein editing includes changing a content of the field, and wherein a user comprises a person; assigning sole ownership of the field to a user who first edits the field in response to the user editing the content of the field, wherein the sole ownership of the field is not relinquished after the user edits the field, and wherein the owner of the field controls access to the field using at least one access control list; selectively displaying ownership information of the field to at least one other user; wherein the owner of the field can specify at least one of the following: in response to a request to view the field by an unauthorized user after the assigning of sole ownership, displaying the field to the unauthorized user using one of a blank, a nonsense character or a phantom character.