Prosecution Insights
Last updated: October 02, 2026

Examiner: BONZELL, PHILIP J

Tech Center 3600 • Art Units: 2855 3636 3642 3644

This examiner grants 78% of resolved cases

Analysis

Philip J. Bonzell, an examiner in Tech Center 3600 and Art Unit 2855, has 890 resolved cases. His allowance rate of 78.5% shows a consistent pattern of granting patents. The interview lift of 12.3% indicates that interviews provide a meaningful boost to the probability of an allowance. This 12.3% lift is a useful metric for practitioners deciding whether to engage in verbal dialogue. The median days to allowance is 1055, which serves as a standard measure for his prosecution speed.

With 890 resolved cases, the data set is robust. The 78.5% allowance rate suggests a favorable environment for most applications. The interview lift is a practical tool for advancing cases. The 1055-day median helps set realistic expectations for the time to grant. This data from Art Unit 2855 provides a clear foundation for developing a successful patent strategy and managing the typical lifecycle of an application under his review.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

78.5%
Allow Rate
+26.5% vs TC avg
919
Total Applications
+12.3%
Interview Lift
1055
Avg Prosecution Days
Based on 890 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
26.8%
§102 Novelty
48.6%
§103 Obviousness
20.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19571415 AERODYNAMIC DESIGN OF PROPELLER BLADES IN VTOL AIRCRAFT Non-Final OA Archer Aviation Inc.
19067327 WIRING HARNESS IN AN AIRCRAFT WING Non-Final OA AIRBUS OPERATIONS LIMITED
18705044 A GROUND SUPPORT EQUIPMENT Non-Final OA ILLINOIS TOOL WORKS INC.
18888986 ADAPTABLE FIXATION INTERFACE FOR AN AIRCRAFT CABIN FLOOR Non-Final OA Airbus Operations GmbH
18762976 AIRCRAFT WITH A POTABLE WATER SYSTEM AND INSTALLATION METHOD Non-Final OA Airbus Operations GmbH
19386251 SATELLITE CONSTELLATION FORMING SYSTEM AND GROUND FACILITY Non-Final OA MITSUBISHI ELECTRIC CORPORATION
19386282 SPACE TRAFFIC MANAGEMENT SYSTEM Non-Final OA MITSUBISHI ELECTRIC CORPORATION
19018764 SYSTEM AND METHOD FOR PROPULSOR CONTROL FOR AN ELECTRIC AIRCRAFT Non-Final OA BETA AIR LLC
18714007 CHILD SEAT BASE FOR RECEIVING A SEAT ELEMENT Non-Final OA CYBEX GmbH

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