Prosecution Insights
Last updated: October 02, 2026

Examiner: MORRIS, DAVID R.

Tech Center 4100 • Art Units: 3616 3631 3659 4100

This examiner grants 82% of resolved cases

Analysis

David R. Morris is in Tech Center 4100 and Art Unit 3616, with 531 resolved cases. The allowance rate is 81.9%, and the median days to allowance is 753. The interview lift is 14.3%, which is a helpful boost for applicants.

The 81.9% allowance rate and 753-day median pendency indicate a favorable and efficient prosecution environment. With 531 resolved cases, the data is robust. The 14.3% lift suggests that interviews are a useful way to resolve any remaining issues. Practitioners can expect a high probability of success and a relatively fast timeline. Using the 14.3% lift to supplement the 81.9% allowance rate is a sound strategy for ensuring that applications move smoothly through the 753-day process.

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

Performance Statistics

81.9%
Allow Rate
+21.9% vs TC avg
558
Total Applications
+14.3%
Interview Lift
753
Avg Prosecution Days
Based on 531 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
31.9%
§102 Novelty
33.3%
§103 Obviousness
31.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18484995 AIRCRAFT BRAKING SYSTEM Final Rejection AIRBUS OPERATIONS LIMITED
18582761 HYDRAULICALLY BRAKEABLE ELECTRICAL MACHINE Non-Final OA VOLVO TRUCK CORPORATION
18551237 ELECTROHYDRAULIC DUAL-CIRCUIT POWER BRAKE SYSTEM Final Rejection Robert Bosch GmbH
18462615 ELECTRONICALLY SLIP-CONTROLLABLE POWER BRAKE SYSTEM Non-Final OA Robert Bosch GmbH
18616243 BALL SCREW DRIVE, METHOD FOR PRODUCING A BALL SCREW DRIVE, AND VEHICLE BRAKE Final Rejection ZF Active Safety GmbH
18618215 BRAKING CONTROL APPARATUS AND BRAKING CONTROL METHOD Non-Final OA KIA CORPORATION
18585555 BEARING BUSH Non-Final OA Sumitomo Riko Company Limited
18683079 RETURN SPRING AND DISC BRAKE Final Rejection Hitachi Astemo, Ltd.
18573037 DRUM BRAKE AND BRAKING MEMBER Final Rejection Hitachi Astemo, Ltd.
18423513 ADDITIVELY MANUFACTURED JOUNCE BUMPER WITH DIFFERENT INTERNAL PROPERTIES Final Rejection Ford Global Technologies, LLC
18018183 DAMPING VALVE AND SHOCK ABSORBER Final Rejection KYB Corporation
18102701 PISTON FOR A BRAKE SYSTEM AND BRAKE SYSTEM Non-Final OA HL MANDO CORPORATION

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