Prosecution Insights
Last updated: October 26, 2026

Andrew D Perreault, USPTO Patent Examiner

Listed by the USPTO as PERREAULT, ANDREW D

Tech Center 3700 • Art Units: 1742 3728 3735 3788

This examiner grants 47% of resolved cases

Analysis

PERREAULT, ANDREW D has resolved 1021 cases in Tech Center 3700 and Art Unit 1742. The allowance rate is 46.7%, while the median time to allowance is 1113 days. The substantial record indicates a lower allowance profile, making early analysis of claim breadth, fallback positions, and commercial priorities important.

The interview lift is 18.2%, showing a positive association between interviews and allowance outcomes. Graphic Packaging International Inc., Direct Pack Inc., and Murata Manufacturing Co., Ltd. are the leading companies. FBT Gibbons LLP, BARLEY SNYDER, and Chang and Hale LLP are the listed firms. Interviews may support progress, but should be integrated with focused written amendments and evidence.

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

Performance Statistics

46.7%
Allow Rate
-23.3% vs TC avg
1,063
Total Applications
+18.2%
Interview Lift
1113
Avg Prosecution Days
Based on 1021 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
20.2%
§102 Novelty
46.9%
§103 Obviousness
28.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18427428 MULTI-PURPOSE LID FOR SEPTIC TANK AND ASSOCIATED RISER Non-Final OA Advanced Drainage Systems, Inc.
18423964 ELECTRONIC COMPONENT ACCOMMODATION SYSTEM Non-Final OA Murata Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Andrew D Perreault's allowance rate?

46.7% of resolved applications examined by Andrew D Perreault were allowed (1,021 resolved cases), compared with 58.3% across Art Unit 1742 over the last five years.

Does an interview help with examiner Andrew D Perreault?

This examiner's interview lift is +18.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Andrew D Perreault take to allow a patent?

Applications allowed by Andrew D Perreault took 1,113 days on average from filing to allowance.

Which art unit does examiner Andrew D Perreault work in?

Andrew D Perreault examines applications in Art Unit 1742 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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