Find Experts
Expert Bio
Company Logo

Primary Area of Expertise


Expert Witness Profile

Ivan Zatkovich is a Telecommunications Director and technology consultant specializing in Telecommunications, Network Communications, Switch/Routing, Telecom Business Applications, Call Center with IVR and Speech Recognition, Messaging Systems, Wireless and Mobile Communications technologies. Ivan brings experience in a diverse set of technologies including teleconferencing, video conferencing, web conferencing, Caller Authorization, Full Duplex/ Half Duplex call setup, Listen only mode, and Whisper mode. Mr. Zatkovich has designed and implemented telecom business systems, specifically: Telco Business and Residential billing, pricing plans, pre-paid calling cards and Central Office switch service provisioning. He has also proposed and implemented large wireless and Telco business systems including Inter-Carrier Billing and toll charge reconciliation for Bell Canada, PTT Netherlands, and Mercury Communications England.

Mr. Zatkovich has successfully consulted for companies such as Verizon, Bell Canada, PTT Netherlands, CANTV, Deutsche Telekom, TelMex, McGraw-Hill, Apple, and Facebook. Ivan has been expert for over 60 cases including telco and mobile communications contract disputes, trade secrets and patent litigation. Evaluation of telephony, data and software security patents for companies including Alcatel-Lucent. This includes testifying in a mobile phone billing and payment authorization suit in South Africa where the judge found for his client and cited Mr. Zatkovich on all 36 points of contention in the case. Mr. Zatkovich's expert infringement analysis also contributed to the $35 million settlement results for I2 against Oracle in a network transaction patent litigation.

Education & Licenses

B.S. Computer Science, 1980, University of Pittsburgh. Minor in E.E. digital circuit design; Master's study and thesis in Computer Networks, Results published in Byte Magazine.