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:
Oct. 24, 2017
Filed:
Jun. 06, 2016
Facebook, Inc., Menlo Park, CA (US);
Christopher Lunt, Mountain View, CA (US);
Facebook, Inc., Menlo Park, CA (US);
Abstract
In particular embodiments, a method includes receiving, from a client device associated with a first entity of a communication service, a request by the first entity to access the communication service, the request comprising an entity identifier (ID) of the first entity, determining whether the first entity is authorized to access the communication service based at least in part on a gray list comprising entity IDs of the entities who are not authorized to access the communication service, wherein the gray list is based on a black list, and prohibiting, by one or more of the computing devices, access to the communication service by the first entity if the first entity is not authorized to access the communication service based on the gray list.