Prosecution Insights
Last updated: October 27, 2026

Ehrin Larmont Pratt, USPTO Patent Examiner

Listed by the USPTO as PRATT, EHRIN LARMONT

Tech Center 3600 • Art Units: 3629

This examiner grants 15% of resolved cases

Analysis

PRATT, EHRIN LARMONT examines in Tech Center 3600 and Art Unit 3629. The profile shows 355 resolved cases, a 15.2% allowance rate, and a 1684-day median time to allowance. The 12.9% interview lift is positive, indicating that interviews may assist applicants even though favorable outcomes remain limited in the resolved set.

The identified companies are NEC Corporation, Reputation Com Inc., and Truist Bank. The most represented firms are VAN PELT, YI & JAMES LLP, CESARI AND MCKENNA, LLP, and Chamberlain, Hrdlicka, White, Williams & Aughtry.

The combination of a low allowance rate and extended median timing calls for careful early assessment of claim scope and prior-art exposure. Practitioners may find interviews useful for testing amendment positions, but the data also supports preparing clients for repeated prosecution steps before allowance.

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

Performance Statistics

15.2%
Allow Rate
-36.8% vs TC avg
388
Total Applications
+12.9%
Interview Lift
1684
Avg Prosecution Days
Based on 355 resolved cases, 2023–2026

Rejection Statute Breakdown

38.0%
§101 Eligibility
14.0%
§102 Novelty
36.8%
§103 Obviousness
9.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18126521 CORRESPONDENCE DATA HUB Final Rejection Bank of America Corporation
19346895 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Non-Final OA NEC Corporation
17798222 PROCESSING SYSTEM, PROCESSING METHOD, AND NON-TRANSITORY STORAGE MEDIUM Final Rejection NEC Corporation
19123585 TIRE MANAGEMENT APPARATUS Non-Final OA BRIDGESTONE CORPORATION
18193602 CHAT PLATFORM HAVING LANGUAGE DETECTION AND CHAT ROUTING BASED ON DETECTED LANGUAGE Final Rejection Truist Bank
18192619 CHAT SUPPORT PLATFORM HAVING USER-ENABLED CHAT HELP CUSTOMIZATION Final Rejection Truist Bank
18189358 METHOD AND SYSTEM FOR AUTO SUMMARIZING CHAT CONVERSATION VIA MACHINE LEARNING AND APPLICATION THEREOF Non-Final OA Verizon Patent and Licensing Inc.
18529724 PERSONALIZED SERVICE EXPERIENCE SUPPORTED BY TELECOMMUNICATIONS NETWORK Non-Final OA T-Mobile USA, Inc.
18176247 DETERMINATION OF HANDHELD WIRELESS DEVICE CONDITION USING MACHINE LEARNED MODEL Non-Final OA T-Mobile USA, Inc.
18441838 ASYNCHRONOUS GENERATION AND PRESENTATION OF CUSTOMER PROFILE SUMMARIES VIA A DIGITAL ENGAGEMENT SERVICE Final Rejection Twilio Inc.
18593077 SYSTEM AND FRAMEWORK FOR MULTICHANNEL VOICE OF CUSTOMER Non-Final OA FMR LLC

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Frequently Asked Questions

What is examiner Ehrin Larmont Pratt's allowance rate?

15.2% of resolved applications examined by Ehrin Larmont Pratt were allowed (355 resolved cases), compared with 22.4% across Art Unit 3629 over the last five years.

Does an interview help with examiner Ehrin Larmont Pratt?

This examiner's interview lift is +12.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ehrin Larmont Pratt take to allow a patent?

Applications allowed by Ehrin Larmont Pratt took 1,684 days on average from filing to allowance.

Which art unit does examiner Ehrin Larmont Pratt work in?

Ehrin Larmont Pratt examines applications in Art Unit 3629 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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