Prosecution Insights
Last updated: April 19, 2026

Examiner: PEARSON, DAVID J

Tech Center 2400 • Art Units: 2137 2407 2437 2438

This examiner grants 78% of resolved cases

Performance Statistics

78.0%
Allow Rate
+20.0% vs TC avg
770
Total Applications
+11.9%
Interview Lift
1098
Avg Prosecution Days
Based on 758 resolved cases, 2023–2026

Rejection Statute Breakdown

12.3%
§101 Eligibility
19.0%
§102 Novelty
45.5%
§103 Obviousness
8.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18100053 MULTI-MODAL ACCESS TO AN ONLINE SERVICE USING HIERARCHICAL CRYPTOGRAPHIC KEYS FOR USER AUTHENTICATION OF ACCOUNTS AND SUBACCOUNTS Non-Final OA Capital One Services, LLC
18257411 Key Derivation for Communication Non-Final OA Telefonaktiebolaget LM Ericsson (PUBL)
18408185 METHOD AND APPARATUS FOR SHARING KEYS FOR ENCRYPTION AND/OR DECRYPTION Final Rejection Marvell Asia Pte Ltd
19136332 METHOD TO SECURE A JAVA SOFTWARE CODE Non-Final OA THALES DIS FRANCE SAS
18792038 SYSTEMS AND METHODS FOR DEVICE AND USER AUTHORIZATION Non-Final OA Comcast Cable Communications, LLC
18704474 METHOD AND HOST SYSTEM FOR SECURE ENCLAVE MIGRATION Non-Final OA NEC Laboratories Europe GmbH
18573379 METHODS AND DEVICES FOR CONTROLLING ACCESS TO A SOFTWARE ASSET Final Rejection Dolby International AB
18634329 SYSTEM AND METHOD FOR DYNAMIC DATA PACKAGE TRANSMISSION ON A DIGITAL LEDGER Non-Final OA Loop Commerce, Inc.
18731514 CRYPTOGRAPHIC TRUST ENABLED DEVICES OF CYBERSECURITY SYSTEMS Final Rejection BlockFrame, Inc.

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