Patent assignee · US · COMPANY

Postini, Inc.

6Patents
0Active
6Granted
27Portfolio score

Filing activity: Sep 29, 2000 → Mar 17, 2006

Most-cited patents

PatentTitleAreaCited byStatus
US6941348B2 Systems and methods for managing the transmission of electronic messages through active message date updating Electricity 444 Expired
US6650890B1 Value-added electronic messaging services and transparent implementation thereof using intermediate server Electricity 414 Expired
US7277695B2 E-mail policy compliance techniques Electricity 41 Expired
US7133660B2 E-mail filtering services and e-mail service enrollment techniques Electricity 24 Expired
US7236769B2 Value-added electronic messaging services and transparent implementation thereof using intermediate server Electricity 22 Expired
US7272378B2 E-mail filtering services using Internet protocol routing information Electricity 19 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.