Prosecution Insights
Last updated: October 01, 2026

Examiner: ONDREJCAK, ANDREW DOMENIC

Tech Center 3700 • Art Units: 3752 3763

This examiner grants 41% of resolved cases

Analysis

Andrew Domenic Ondrejcak has 22 resolved cases in Tech Center 3700 and Art Unit 3752. The examiner's allowance rate is 40.9 percent. This 40.9 percent rate indicates a moderate level of difficulty for applicants in the mechanical engineering fields. The 22 resolved cases provide the current basis for evaluating the examiner's prosecution tendencies.

The median days to allowance is 1191. This 1191 day figure provides a clear expectation for the time required to secure a patent. With 22 resolved cases, the 1191 day timeline is the current benchmark. Practitioners should use this 1191 day duration to plan for the commercialization of patented technologies.

The interview lift is 29.8 percent. This 29.8 percent lift suggests that interviews are an effective strategy for increasing the allowance rate above the 40.9 percent baseline. Practitioners should consider the 29.8 percent lift as a way to navigate the 1191 day pendency more effectively. The data from 22 resolved cases suggests that direct engagement with the examiner is a valuable tool for applicants.

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

Performance Statistics

40.9%
Allow Rate
-29.1% vs TC avg
64
Total Applications
+29.8%
Interview Lift
1191
Avg Prosecution Days
Based on 22 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
22.6%
§102 Novelty
43.1%
§103 Obviousness
33.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18153823 FIREFIGHTING SYSTEM AND FAULT CONFIRMATION METHOD Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18078374 BATTERY ARRANGEMENT AND METHOD FOR FIGHTING A BATTERY FIRE AND MOTOR VEHICLE Non-Final OA AUDI AG
19080155 SPRAY NOZZLE Non-Final OA Murata Manufacturing Co., Ltd.
18202830 FIRE EXTINGUISHER Non-Final OA TOPPAN INC.
18892405 PAINTING DEVICE Final Rejection ABB SCHWEIZ AG
18196623 ENERGY STORAGE SYSTEM DEFLAGRATION AND THERMAL PROPAGATION MITIGATION Non-Final OA Caterpillar Inc.
18820367 SPRAY GENERATION APPARATUS Non-Final OA Greenworks (Jiangsu) Co., Ltd
18847500 SANITARY OUTFLOW UNIT Non-Final OA Neoperl GmbH
18301234 METHODS AND SYSTEMS FOR CONTROLLING DELIVERY OF FIRE SUPRESSANT Non-Final OA Kidde-Fenwal, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month