WO/2007/014745, –World-, „A Communication Network, a Method of Routing Data Packets in such Communication Network and a Method of Locating and Securing Data of a Desired Resource in such Communication Network“, A Logical Overlay Network Construction in large-scale Dynamic Distributed Systems based on Concentric Multi-ring Topology and Resource Lookup with Shortest Path Length, Giscard Wepiwé, Plamen L. Simeonov, 2005.
EP1124208, -European-, „Method for transferring payment information“, Extension of the Charging Capabilities of the Intelligent Network System through the Usage of Credit Cards, Georg Kastelewicz, Plamen L. Simeonov, 2000.
EP1037453, -European-, „Procedure for distributing information to a selection of user in a telecommunications network“, A Method and an Architecture for Forwarding of Flight Information in Real-Time to Network End Users – On-Line and Off-Line, Helena Piprek, Plamen L. Simeonov, 1999.
EP0957645, -European-, „Network element in an intelligent telecommunications network“, SMARTNET: A Configurable Intelligent Network Architecture, Plamen L. Simeonov, 1999.
WO9909693, -World-, „Information Transfer Method and Device“, A Network-Bridge Service Node Architecture, Unified Communication Service, Method and Format for Media Conversion, Secure Customer Service Support and Operation, Administration and Management, Peter Hofmann, Plamen L. Simeonov, 1997.
WO9909701, -World-, „Data Transfer Method and Device“, Architectures and Methods for GPS/GIS-based Routing and Transmission of Media Data in the Areas of Public Television and Telecommunications, Plamen L. Simeonov, 1997.
DE19723678, -German-, „Data communication method with reduced content based on sign language“, Architectures and Methods for the Simultaneous Transmission of a Synthetically Animated Gesture Reporter (SAGR) for the Deaf in the Areas of Public Television and Telecommunications, Plamen L. Simeonov, Rossen L. Simeonov, 1997.