Inventor

Christopher E. Pearce

Inventor
Dallas, TX, US

Overview

55→
Patents
1998–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 55 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication35%
H04MTelephonic communication31%
H04WWireless communication networks15%
H04QSelecting12%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
G06FElectric digital data processing1%
H04NPictorial communication, e.g. television1%
PatentTitleYear
10,581,829Certificate-based call identification and routing20209,942,390Internet protocol telephony with variable-length carrier systems20189,923,729'System for delivering unified conferences in light of prohibition of toll bypass'20189,894,109'Lawful intercept in an internet protocol-based telephony system'20189,832,087Enterprise integration with cloud-based multimedia system20179,531,883'Providing an announcement for a multiparty communication session'20169,450,882'Method and apparatus for supporting call admission control using graph assembly and fate-share identifiers'20169,363,368'Configurable call recording policy'20169,167,399'Handoff of communication sessions between cellular and desktop telephones'20159,088,600'System and method for implementing a session initiation protocol feature'20159,065,664'Providing an announcement for a multiparty communication session'20158,867,529'System and method for providing a fate sharing identifier in a network environment'20148,694,648'System and method for implementing a session initiation protocol feature'20148,687,785'Authorization to place calls by remote users'20148,625,771'Local route groups and transformation patterns'20148,447,026'Data driven configuration of call management applications'20138,442,037'System and method for device registration replication in a communication network'20138,428,244'Cross-call agent extension mobility with call admission control and emergency calling'20138,358,763'Camping on a conference or telephony port'20138,306,210'Local route groups and transformation patterns'20128,180,334'System and method for leveraging a caller ID to provide a reverse signaling pathway in a network environment'20128,116,769'Anchoring a communication session in a multiple mode system'20128,085,925'Data driven configuration of call management applications'20118,036,368'Local route groups and transformation patterns'20118,015,305'System and method for implementing a session initiation protocol feature'20118,005,912'System and method for presence notification for video projection status'20118,000,710'System and method for providing a handoff leg associated with a preexisting leg in a network environment'20117,995,559'System and method for interworking communication protocols to provide supplementary services'20117,974,277'System and method for routing calls'20117,899,175'System and method for providing a dial plan conversion in a session initiation protocol (SIP) environment'20117,877,086'Processing location information among multiple networks'20117,778,404'System and method for providing a dial plan conversion in a session initiation protocol (SIP) environment'20107,733,845'System and method for device registration replication in a communication network'20107,653,183'Method and apparatus to provide data to an interactive voice response (IVR) system'20107,636,349'System and method for providing shared line appearances in a distributed call routing network'20097,593,722'Processing location information among multiple networks'20097,573,887'System and method for providing RSVP reservations in a shared line environment'20097,539,492'System and method for providing a handoff leg associated with a preexisting leg in a network environment'20097,523,203'Shared distribution media resources in a communication network'20097,463,729'Data driven configuration of call management applications'20087,359,368'System and method for routing calls using dialing partitions'20087,319,864'Single number reachability using cellular and desktop telephones'20087,283,823'Handoff between cellular and enterprise wireless networks'20077,227,853'System and method for providing transparency in delivering private network features'20077,145,899'System and method for providing shared line appearances in a distributed call routing network'20067,079,495'System and method for enabling multicast telecommunications'20067,068,622'System and method for providing transparency in delivering private network features'20067,058,067'Distributed interactive multimedia system architecture'20066,975,718'Automated route plan generation'20056,888,808'System and method for providing transparency in delivering private network features'20056,847,634'System and method for distributed call routing'20056,804,254'System and method for maintaining a communication link'20046,704,406'Automated route plan generation'20046,304,576'Distributed interactive multimedia system architecture'20015,838,683'Distributed interactive multimedia system architecture'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2006Based in Addison, TX, US· patent location history
2001–2005Patents assigned to CISCO TECH IND (6)· patent assignee history
2004–2020Based in Dallas, TX, US· patent location history
2006–2020Patents assigned to CISCO TECH INC (48)· patent assignee history
2011–2016Patents assigned to PEARCE CHRISTOPHER E (14)· patent assignee history
2012–2015Patents assigned to JAGADEESAN RAMANATHAN T (3)· patent assignee history
2012–2014Patents assigned to BRUNSGAARD NIELS (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CISCO TECH INC482006–2020
PEARCE CHRISTOPHER Eself142011–2016
CISCO TECH IND62001–2005
JAGADEESAN RAMANATHAN T32012–2015
BRUNSGAARD NIELS22012–2014
Locations
LocationPatentsSpan
Dallas, Texas, US522004–2020
Addison, Texas, US31998–2006