Prosecution Insights
Last updated: October 27, 2026

Courtney D Heinle, USPTO Patent Examiner

Listed by the USPTO as HEINLE, COURTNEY D

Tech Center 3700 • Art Units: 3668 3745 3762

This examiner grants 76% of resolved cases

Analysis

Courtney D. Heinle serves in Tech Center 3700 and Art Unit 3668, where she has 290 resolved cases. Her allowance rate is 75.5%, and the median days to allowance is 898. These metrics indicate a favorable environment for applicants, with a high probability of grant and an efficient timeline for reaching a final disposition.

The interview lift is 19.1%, showing that interviews are a beneficial tool for increasing the 75.5% allowance rate. Top companies such as Taizhou Didu Environmental Protection Technology Co. Ltd. and Raytheon Technologies Corporation are prominent in her docket. The firm Cherson Feldenkrais IP Law Firm LLP is also active here.

The 290 resolved cases provide a solid data set for Art Unit 3668. The 898 median days to allowance is a key figure for practitioners to use when planning their prosecution strategies. With a 75.5% allowance rate and a 19.1% interview lift, the data suggests a generally positive outcome for patent applications in Tech Center 3700.

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

Performance Statistics

75.5%
Allow Rate
+5.5% vs TC avg
307
Total Applications
+19.1%
Interview Lift
898
Avg Prosecution Days
Based on 290 resolved cases, 2023–2026

Rejection Statute Breakdown

6.7%
§101 Eligibility
17.8%
§102 Novelty
46.4%
§103 Obviousness
27.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18304771 HEAT EXCHANGER SYSTEMS AND DEVICES FOR INCREASED DURABILITY Non-Final OA RAYTHEON TECHNOLOGIES CORPORATION

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Frequently Asked Questions

What is examiner Courtney D Heinle's allowance rate?

75.5% of resolved applications examined by Courtney D Heinle were allowed (290 resolved cases), compared with 66.1% across Art Unit 3668 over the last five years.

Does an interview help with examiner Courtney D Heinle?

This examiner's interview lift is +19.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Courtney D Heinle take to allow a patent?

Applications allowed by Courtney D Heinle took 898 days on average from filing to allowance.

Which art unit does examiner Courtney D Heinle work in?

Courtney D Heinle examines applications in Art Unit 3668 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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