Prosecution Insights
Last updated: October 26, 2026

Joseph L Perrin, USPTO Patent Examiner

Listed by the USPTO as PERRIN, JOSEPH L

Tech Center 3700 • Art Units: 1711 1718 1761 1792 3723

This examiner grants 77% of resolved cases

Analysis

PERRIN, JOSEPH L has resolved 1305 cases in Tech Center 3700 and Art Unit 1711. The allowance rate is 77.2%, and the median time to allowance is 1030 days. The large resolved-case record makes the profile useful for planning, while the median timeline indicates that applicants should maintain close control of prosecution milestones.

The interview lift is 21.3%, reflecting a positive association between interviews and allowance outcomes. LG Electronics Inc., Samsung Electronics Co., Ltd., and Haier US Appliance Solutions Inc. are the leading companies. Dority & Manning, P.A. and Haier US Appliance, BIRCH STEWART KOLASCH & BIRCH, LLP, and Bryan Cave Leighton Paisner LLP (DC) are the listed firms. Interviews can complement precise claim and amendment strategy.

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

Performance Statistics

77.2%
Allow Rate
+7.2% vs TC avg
1,351
Total Applications
+21.3%
Interview Lift
1030
Avg Prosecution Days
Based on 1305 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
25.4%
§102 Novelty
41.7%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19054350 DISH WASHER Non-Final OA LG Electronics Inc.
19054475 DISHWASHER Non-Final OA LG Electronics Inc.
18707039 CLOTHES TREATMENT APPARATUS AND CONTROL METHOD THEREFOR Final Rejection LG Electronics Inc.
18898036 LAUNDRY TREATING APPARATUS Final Rejection LG ELECTRONICS INC.
18793032 LAUNDRY TREATING APPARATUS Non-Final OA LG Electronics Inc.
18575166 INTERFACE AND LAUNDRY TREATING APPARATUS HAVING THE SAME Final Rejection LG Electronics Inc.
18561133 CLOTHES TREATMENT APPARATUS Non-Final OA LG Electronics Inc.
19001093 CLOTHES TREATING APPARATUS AND METHOD FOR CONTROLLING CLOTHES TREATING APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18990740 CLOTHES TREATING APPARATUS AND METHOD OF CONTROLLING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18966754 METHOD AND DEVICE FOR DETECTING AND AVOIDING RESONANCE DURING CYCLE OF WASHER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18937320 WASHING MACHINE AND CONTROL METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
18795506 WASHING MACHINE AND METHOD FOR CONTROLLING WASHING MACHINE Non-Final OA Samsung Electronics Co., Ltd.
18747978 METHOD OF PROVIDING GUIDANCE ABOUT WASHING AND DRYING METHOD AND WASHING-MACHINE USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18976516 CLEANING SYSTEM FOR A VEHICLE AND VEHICLE Non-Final OA Robert Bosch GmbH
18743630 REINFORCING CAP FOR A TUB REAR WALL OF AN APPLIANCE Non-Final OA WHIRLPOOL CORPORATION
18557474 TREATMENT SYSTEM FOR TREATING WORKPIECES, AND TREATMENT METHOD Final Rejection Dürr Systems AG

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Joseph L Perrin's allowance rate?

77.2% of resolved applications examined by Joseph L Perrin were allowed (1,305 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Joseph L Perrin?

This examiner's interview lift is +21.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph L Perrin take to allow a patent?

Applications allowed by Joseph L Perrin took 1,030 days on average from filing to allowance.

Which art unit does examiner Joseph L Perrin work in?

Joseph L Perrin examines applications in Art Unit 1711 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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