Prosecution Insights
Last updated: October 02, 2026

Examiner: KNIGHT, DEREK DOUGLAS

Tech Center 3600 • Art Units: 3618 3654 3655 3659 3681

This examiner grants 85% of resolved cases

Analysis

Derek Douglas Knight is a patent examiner working in Tech Center 3600 and Art Unit 3618. This examiner has reached a final disposition in 771 resolved cases, which establishes the statistical foundation for their current prosecution metrics. These 771 resolved cases provide insight into the examiner's approach to patent applications within Art Unit 3618 and Tech Center 3600.

The data shows an allowance rate of 85.1 percent, reflecting the proportion of applications that are successfully granted. The median days to allowance for these cases is 859. This duration of 859 days represents the typical timeline for reaching a favorable outcome under this examiner's review. The 85.1 percent allowance rate suggests a high likelihood of success for applications that meet the necessary requirements.

The interview lift for this examiner is 3.0 percent. This 3.0 percent lift indicates that engaging in a direct dialogue with the examiner is associated with a slight increase in the probability of allowance compared to the baseline rate of 85.1 percent. Given the median days to allowance of 859, the 3.0 percent interview lift offers a strategic opportunity for practitioners to potentially improve their results through active communication.

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

Performance Statistics

85.1%
Allow Rate
+33.1% vs TC avg
795
Total Applications
+3.0%
Interview Lift
859
Avg Prosecution Days
Based on 771 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
32.0%
§102 Novelty
36.8%
§103 Obviousness
28.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18595536 ELECTRIC VEHICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19004629 POWERTRAIN, A METHOD FOR CONTROLLING A POWERTRAIN, AND A VEHICLE Final Rejection Volvo Truck Corporation
19477190 STATOR FOR ROTARY DEVICE Non-Final OA Eaton Intelligent Power Limited
18540149 TRANSMISSION AND VEHICLE WITH TRANSMISSION Final Rejection ZF Friedrichshafen AG
19335594 DRIVE DEVICE Non-Final OA AISIN CORPORATION
19117749 VEHICULAR DRIVE DEVICE Final Rejection AISIN CORPORATION
19373203 LOCKING DIFFERENTIAL Non-Final OA The Regents of the University of Michigan
19015241 VEHICLE AND METHOD OF CONTROLLING VEHICLE Non-Final OA KAWASAKI MOTORS, LTD.

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