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", Erweiterung der Charging-Möglichkeiten des IN-Systems mittels Kreditkarte, Georg Kastelewicz, Plamen L. Simeonov, 2000.
           
EP1037453, -European-, "Procedure for distributing information to a selection of user in a telecommunications network", Ein Verfahren und eine Architektur für Weitergabe von Fluginformationen in Echtzeit an Netzteilnehmer Online und Offline, 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.