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Home / Examiner: FERRIS, DERRICK W
Last updated: May 29, 2026

Examiner: FERRIS, DERRICK W

Tech Center 2400 • Art Units: 2400 2411 2463 2478

This examiner grants 22% of resolved cases

Performance Statistics

21.9%
Allow Rate
-36.1% vs TC avg
73
Total Applications
-4.9%
Interview Lift
1404
Avg Prosecution Days
Based on 64 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
6.7%
§102 Novelty
89.9%
§103 Obviousness
1.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17950838 SYNCHRONIZATION FOR USER EQUIPMENT GROUPS Final Rejection Apple Inc.
18000785 METHOD AND APPARATUS FOR TRANSMITTING POSITION REFERENCE SIGNAL, COMMUNICATION DEVICE AND STORAGE MEDIUM Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
18415214 OPTIMIZING FREQUENCY SPECTRUM ASSIGNMENT BASED ON HIGH-FIDELITY OBSTRUCTION HEIGHTS Non-Final OA Charter Communications Operating, LLC
17840668 MULTIPLE COEXISTING PERSONAL AREA NETWORKS HAVING DIFFERENT HANDSHAKING Final Rejection Ruckus IP Holdings LLC

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Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

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