Prosecution Insights
Last updated: October 26, 2026

David E Lotter, USPTO Patent Examiner

Listed by the USPTO as LOTTER, DAVID E

Tech Center 2800 • Art Units: 1741 2821 2844 2845

This examiner grants 85% of resolved cases

Analysis

LOTTER, DAVID E is assigned to tech center 2800 and art unit 1741. Across 619 resolved cases, the allowance rate is 85.0%. The median time to allowance is 818 days, giving practitioners a prosecution-duration reference for matters handled in this record.

The interview lift is 9.4%, indicating that interviews correlate with an allowance change for the reported cases. The listed companies are Samsung Electronics Co., Ltd., Fujifilm Corporation, and Honor Device Co., Ltd. The listed firms are Dragon Sun Law Firm, PC, DUNLAP CODDING, P.C., and Edwards Neils LLC. This combination supports examiner-focused preparation that emphasizes clear claim positioning and a defined interview agenda, while the allowance rate provides context for evaluating amendment and response options.

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

Performance Statistics

85.0%
Allow Rate
+17.0% vs TC avg
639
Total Applications
+9.4%
Interview Lift
818
Avg Prosecution Days
Based on 619 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
20.1%
§102 Novelty
53.5%
§103 Obviousness
18.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19077839 ELECTROMAGNETIC WAVE CONTROL ELEMENT Non-Final OA FUJIFILM Corporation
19259757 VEHICLE ANTENNA DEVICE AND METHOD FOR OPERATING SAME Non-Final OA Samsung Electronics Co., Ltd.
18974336 ANTENNA STRUCTURE AND ELECTRONIC DEVICE HAVING ANTENNA STRUCTURE Non-Final OA HONOR DEVICE CO., LTD.
18876029 ANTENNA MODULE AND MOTOR VEHICLE Non-Final OA Continental Automotive Technologies GmbH
18852943 LIGHT GUIDE MODULE Non-Final OA LG INNOTEK CO., LTD.
18907742 FIBER OPTIC CABLE MANAGEMENT APPARATUS AND TERMINAL Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
19192679 INTEGRATED THREE-DIMENSIONAL RADIO FREQUENCY ANTENNA, RADIO FREQUENCY MODULE AND WIRELESS RADIO FREQUENCY-BASED COMMUNICATION DEVICE Non-Final OA SKYWORKS SOLUTIONS, INC.

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Frequently Asked Questions

What is examiner David E Lotter's allowance rate?

85.0% of resolved applications examined by David E Lotter were allowed (619 resolved cases), compared with 52.1% across Art Unit 1741 over the last five years.

Does an interview help with examiner David E Lotter?

This examiner's interview lift is +9.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David E Lotter take to allow a patent?

Applications allowed by David E Lotter took 818 days on average from filing to allowance.

Which art unit does examiner David E Lotter work in?

David E Lotter examines applications in Art Unit 1741 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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