Prosecution Insights
Last updated: April 19, 2026

Examiner: DUFFIELD, JEREMY S

Tech Center 2400 • Art Units: 2424 2427 2498

This examiner grants 49% of resolved cases

Performance Statistics

48.6%
Allow Rate
-9.4% vs TC avg
465
Total Applications
+53.1%
Interview Lift
1437
Avg Prosecution Days
Based on 438 resolved cases, 2023–2026

Rejection Statute Breakdown

7.4%
§101 Eligibility
10.9%
§102 Novelty
59.9%
§103 Obviousness
15.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18703523 AUTHENTICATION APPARATUS, MOBILE TERMINAL, AND AUTHENTICATION METHOD Final Rejection NEC Corporation
18635095 SIGNATURE VERIFICATION DEVICE, SIGNATURE VERIFICATION METHOD, STORAGE MEDIUM STORING SIGNATURE VERIFICATION PROGRAM, AND ENCRYPTION PROCESSING DEVICE Final Rejection DENSO CORPORATION
18017051 AUTHENTICATION METHOD AND SYSTEM Non-Final OA MASTERCARD INTERNATIONAL INCORPORATED
18521631 DRIVE VIDEO RECORD SYSTEM AND METHOD OF CONTROLLING THE SAME Non-Final OA Kia Corporation
18541961 Silicon Key Exchange Final Rejection Apple Inc.
18772902 System for Calculating Trust of Client Session(s) Final Rejection Microsoft Technology Licensing, LLC
18532325 INFORMATION PROCESSING DEVICE Final Rejection Toyota Jidosha Kabushiki Kaisha
18842026 METHOD, APPARATUS, AND ELECTRONIC DEVICE FOR INTERACTIVE PUBLICATION OF AN INTERFACE BASED ON A PERMISSION Non-Final OA Beijing Youzhuju Network Technology Co., Ltd.
18718783 COMPUTER IMPLEMENTED METHOD AND SYSTEM FOR THE PROVISION OF ACCESS TO A PLURALITY OF FUNCTIONS AND APPLICATIONS ASSOCIATED WITH A BLOCKCHAIN Final Rejection nChain Licensing AG
18602608 SYSTEMS AND METHODS FOR ENHANCED SECURITY IN 3D SPACES Non-Final OA Adeia Guides Inc.
18358663 Monitoring and Activity Reporting of Enhanced Media Content Final Rejection Comcast Cable Communications, LLC
17940299 PROXIMITY-AWARE MULTIFACTOR AUTHENTICATION FOR CONTINUOUS TRUSTED ACCESS Non-Final OA Cisco Technology, Inc.
18602151 PASSWORD DONGLE FOR GENERATION AND RETRIEVAL OF SECURE PASSWORDS Non-Final OA Microchip Technology Incorporated
18648687 SECURE USB Final Rejection Dell Products L.P.
18425220 MANAGING SYSTEM DATA USING OUT-OF-BAND METHODS Non-Final OA Dell Products L.P.
18560691 TIMESTAMP GENERATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND STORAGE MEDIUM Non-Final OA GUIZHOU POWER GRID CO., LTD.
18718282 AUTHENTICATION AND/OR KEY MANAGEMENT METHOD, FIRST DEVICE, TERMINAL AND COMMUNICATION DEVICE Non-Final OA China Mobile Communications Group Co., Ltd.
18674907 QUANTUM SYSTEM FOR SELF DRIVING CARS Non-Final OA Abu Dhabi University
18040482 METHOD AND SYSTEM FOR AUTHENTICATING A USER IN A SESSION INITIATED ON A COMPUTING DEVICE Final Rejection Singapore University of Technology and Design
17968102 SYSTEM AND METHOD FOR DETECTING DIGITAL INTRUSION AND REDIRECTING TO SAFE ZONE IN REAL-TIME Final Rejection POWER ANALYTICS GLOBAL CORPORATION
17124228 SELECTIVELY RESTRICTING INTERACTION WITH APPS ON A DIGITAL DEVICE Final Rejection Refocus On Life B.V.

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