Prosecution Insights
Last updated: October 26, 2026

Derek Douglas Knight, USPTO Patent Examiner

Listed by the USPTO as KNIGHT, DEREK DOUGLAS

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

This examiner grants 85% of resolved cases

Analysis

Derek Douglas Knight works in Tech Center 3600 and Art Unit 3618. The profile records 779 resolved cases, an 85.2% allowance rate, and a median of 855 days to allowance. The interview lift is 3.3%, indicating a small positive association between interviews and allowance in this dataset.

The listed companies are ZF Wind Power Antwerpen N V, Toyota Motor Corporation, and Volvo Group. The listed firms are DANA - MCCOY RUSSELL LLP, DILWORTH IP, LLC, and DORITY & MANNING, P.A. The 85.2% allowance rate is the primary outcome signal, while the 3.3% interview lift supports a limited, targeted role for interviews. The 855-day median supplies a practical reference for prosecution scheduling and client communications.

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

Performance Statistics

85.2%
Allow Rate
+33.2% vs TC avg
802
Total Applications
+3.3%
Interview Lift
855
Avg Prosecution Days
Based on 779 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
32.3%
§102 Novelty
36.4%
§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
19354883 BEARING ARRANGEMENT AND GEARBOX Non-Final OA ZF Wind Power Antwerpen N.V.
18832993 ARRANGEMENT COMPRISING PLANETARY STAGES AND A SPLINE Final Rejection ZF Wind Power Antwerpen N.V.
18540149 TRANSMISSION AND VEHICLE WITH TRANSMISSION Final Rejection ZF Friedrichshafen AG
18874514 VEHICLE AND VEHICLE MANUFACTURING METHOD Final Rejection JATCO Ltd
18982304 IN-WHEEL DRIVE ASSEMBLY Non-Final OA Consolidated Metco, Inc.

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Frequently Asked Questions

What is examiner Derek Douglas Knight's allowance rate?

85.2% of resolved applications examined by Derek Douglas Knight were allowed (779 resolved cases), compared with 61.7% across Art Unit 3618 over the last five years.

Does an interview help with examiner Derek Douglas Knight?

This examiner's interview lift is +3.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Derek Douglas Knight take to allow a patent?

Applications allowed by Derek Douglas Knight took 855 days on average from filing to allowance.

Which art unit does examiner Derek Douglas Knight work in?

Derek Douglas Knight examines applications in Art Unit 3618 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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