Prosecution Insights
Last updated: October 27, 2026

Leah Simone Macchiarolo, USPTO Patent Examiner

Listed by the USPTO as MACCHIAROLO, LEAH SIMONE

Tech Center 2900 • Art Units: 2831 2847 2875 2885 2932

This examiner grants 62% of resolved cases

Analysis

Leah Simone Macchiarolo has resolved 567 cases in Art Unit 2831, maintaining an allowance rate of 62.4 percent. The median days to allowance of 995 indicates a prosecution timeline of approximately two and a half years. Major companies like Sumitomo Electric Industries Ltd. and Sony Group Corporation are frequent applicants in Tech Center 2900. For Emerson Electric Co., the 62.4 percent allowance rate and 995-day median pendency provide a clear expectation for the patent acquisition process.

The interview lift of 31.6 percent highlights the effectiveness of direct examiner engagement. For firms like Foley & Lardner LLP and Smartpat PLC, an interview can significantly increase the 62.4 percent baseline probability of success. Venjuris, P.C. can leverage the 31.6 percent lift to overcome rejections and navigate the 995-day pendency more effectively. With 567 resolved cases, the data suggests that verbal advocacy is a key tool for success with this examiner, providing a clear path to resolve technical disagreements and secure grants in a moderately competitive environment.

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

Performance Statistics

62.4%
Allow Rate
+2.4% vs TC avg
575
Total Applications
+31.6%
Interview Lift
995
Avg Prosecution Days
Based on 567 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
28.5%
§102 Novelty
50.5%
§103 Obviousness
18.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18723509 ATTACHMENT DEVICE FOR ATTACHMENT TO CABLE Non-Final OA Sony Interactive Entertainment Inc.
18833921 SHIELD CONNECTOR Non-Final OA SUMITOMO WIRING SYSTEMS, LTD.
18772722 ELECTRICAL CONNECTION DEVICE Non-Final OA SUMITOMO WIRING SYSTEMS, LTD.
18780931 DUAL ENTRY CARD EDGE CONNECTOR Non-Final OA KYOCERA AVX Components Corporation
19261331 LIGHT STAND DEVICE Non-Final OA TILTA INC.

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Frequently Asked Questions

What is examiner Leah Simone Macchiarolo's allowance rate?

62.4% of resolved applications examined by Leah Simone Macchiarolo were allowed (567 resolved cases), compared with 72.3% across Art Unit 2831 over the last five years.

Does an interview help with examiner Leah Simone Macchiarolo?

This examiner's interview lift is +31.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Leah Simone Macchiarolo take to allow a patent?

Applications allowed by Leah Simone Macchiarolo took 995 days on average from filing to allowance.

Which art unit does examiner Leah Simone Macchiarolo work in?

Leah Simone Macchiarolo examines applications in Art Unit 2831 in Tech Center 2900.

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