Prosecution Insights
Last updated: May 29, 2026

Examiner: DUFFIELD, JEREMY S

Tech Center 2400 • Art Units: 2424 2427 2498

This examiner grants 49% of resolved cases

Performance Statistics

49.2%
Allow Rate
-8.8% vs TC avg
467
Total Applications
+52.1%
Interview Lift
1366
Avg Prosecution Days
Based on 443 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
1.8%
§102 Novelty
95.4%
§103 Obviousness
1.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19260271 TRUSTWORTHINESS OF A VIDEO DATA STREAM Non-Final OA Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
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.
18635095 SIGNATURE VERIFICATION DEVICE, SIGNATURE VERIFICATION METHOD, STORAGE MEDIUM STORING SIGNATURE VERIFICATION PROGRAM, AND ENCRYPTION PROCESSING DEVICE Final Rejection DENSO CORPORATION
18609968 METHOD AND APPARATUS TO DELIVER MULTIPLE NAS CONTAINERS VIA A SINGLE ACCESS STRATUM MESSAGE Non-Final OA Nokia Technologies Oy
18017051 AUTHENTICATION METHOD AND SYSTEM Non-Final OA MASTERCARD INTERNATIONAL INCORPORATED
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
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.
18521631 DRIVE VIDEO RECORD SYSTEM AND METHOD OF CONTROLLING THE SAME Non-Final OA Kia Corporation
18602151 PASSWORD DONGLE FOR GENERATION AND RETRIEVAL OF SECURE PASSWORDS Non-Final OA Microchip Technology Incorporated
18952503 SYSTEMS AND METHODS FOR SECURE AND TRANSPARENT EXECUTION OF DISTRIBUTED OPERATIONS Non-Final OA ModernFi, Inc.
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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