Prosecution Insights
Last updated: October 27, 2026

Demetrius R Pretlow, USPTO Patent Examiner

Listed by the USPTO as PRETLOW, DEMETRIUS R

Tech Center 3700 • Art Units: 2858 3783

This examiner grants 86% of resolved cases

Analysis

PRETLOW, DEMETRIUS R is assigned to Tech Center 3700 and Art Unit 2858. His record covers 711 resolved cases, with an 86.4% allowance rate and an 895-day median time to allowance. The interview lift is 8.6%, a positive but limited signal that interviews may assist without being necessary in every case.

The top companies are Texas Instruments Incorporated, Samsung Electronics Co., Ltd., and Kabushiki Kaisha Toshiba. The principal firms are JCIPRNET, Muncy, Geissler, Olds & Lowe, P.C., and Crowell.

The profile supports efficient written prosecution supported by selective examiner engagement. The allowance rate indicates that favorable outcomes are common in the resolved set, while the median timing remains material for product and portfolio planning. Counsel should use interviews when they can resolve a defined technical or claim-construction issue.

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

Performance Statistics

86.4%
Allow Rate
+16.4% vs TC avg
746
Total Applications
+8.6%
Interview Lift
895
Avg Prosecution Days
Based on 711 resolved cases, 2023–2026

Rejection Statute Breakdown

5.2%
§101 Eligibility
16.9%
§102 Novelty
46.5%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18797418 METHOD AND DEVICE WITH SHORT RESISTANCE ESTIMATION AND DETECTION Final Rejection Samsung Electronics Co., Ltd.
19033605 SENSOR Non-Final OA KABUSHIKI KAISHA TOSHIBA
19068714 DETECTING FAILED PULSE FROM RF POWER SOURCE Non-Final OA ASM IP HOLDING B.V.
18929836 METHOD AND APPARATUS FOR DIAGNOSING ABNORMALITY IN ECO-FRIENDLY VEHICLE BATTERY Non-Final OA Kia Corporation
18573803 Method of Ground Fault Test on Aggregated Battery for Electric Work Vehicle and Apparatus Non-Final OA Caterpillar Inc.
18214375 SPEAKER SHORT TO POWER AND GROUND DIAGNOSTICS Non-Final OA Texas Instruments Incorporated
17512382 LOW COST METHOD-B HIGH VOLTAGE ISOLATION SCREEN TEST Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18193462 SENSOR CIRCUITS, ELECTRONIC DEVICES, AND METHODS FOR PERFORMING INTERNAL CALIBRATION OPERATIONS Final Rejection SK hynix Inc.
19097462 SENSOR STRUCTURE FOR BRAKE PEDAL Non-Final OA HL Mando Corporation
18782761 ELECTROMAGNETIC MAGNETIC SENSOR ASSEMBLY Final Rejection Applied Materials, Inc.
18539141 APPARATUSES, SYSTEMS, AND METHODS FOR SCREENING ELECTRONIC COMPONENTS Non-Final OA Schneider Electric USA, Inc.
18038829 Sensor Device, Use of a Sensor Device, and Method for Detecting the Properties of a Skin Area Non-Final OA LTS Lohmann Therapie-Systeme AG

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Frequently Asked Questions

What is examiner Demetrius R Pretlow's allowance rate?

86.4% of resolved applications examined by Demetrius R Pretlow were allowed (711 resolved cases), compared with 83.6% across Art Unit 2858 over the last five years.

Does an interview help with examiner Demetrius R Pretlow?

This examiner's interview lift is +8.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Demetrius R Pretlow take to allow a patent?

Applications allowed by Demetrius R Pretlow took 895 days on average from filing to allowance.

Which art unit does examiner Demetrius R Pretlow work in?

Demetrius R Pretlow examines applications in Art Unit 2858 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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