Prosecution Insights
Last updated: October 26, 2026

Eli S Mekhlin, USPTO Patent Examiner

Listed by the USPTO as MEKHLIN, ELI S

Tech Center 1700 • Art Units: 1721 1725 1726 1728 1758 1759 1793 1795 1796

This examiner grants 60% of resolved cases

Analysis

MEKHLIN, ELI S has 1142 resolved cases in art unit 1721 and tech center 1700. The profile records an allowance rate of 60.4%, interview lift of 48.1%, and median time to allowance of 1027 days. This is a large examination record with allowance in a majority of cases. The interview figure shows a substantial association with allowance, making examiner discussion a potentially important component of prosecution strategy.

The listed companies are Massachusetts Institute of Technology, Panasonic Holdings Corporation, and Contemporary Amperex Technology Co., Limited. The principal firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., ARMSTRONG TEASDALE LLP (15060), and Clifford Chi, A.P.C. Applicants may benefit from technically specific interviews supported by written claim amendments and carefully preserved arguments.

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

Performance Statistics

60.4%
Allow Rate
-4.6% vs TC avg
1,166
Total Applications
+48.1%
Interview Lift
1027
Avg Prosecution Days
Based on 1142 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
10.0%
§102 Novelty
52.5%
§103 Obviousness
32.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18811248 SOLID ELECTROLYTE MATERIAL Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18658950 ELECTRODE PLATE, LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18796942 BATTERY PACK Non-Final OA MURATA MANUFACTURING CO., LTD.
18646961 SEPARATORS HAVING OPPOSITELY-CHARGED REGIONS AND SECONDARY BATTERIES INCLUDING THE SAME Non-Final OA Washington University
19133591 MEASUREMENT SYSTEM AND METHOD FOR PRODUCING MEASUREMENT SYSTEM Non-Final OA TOPOLOGIC INC.

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Frequently Asked Questions

What is examiner Eli S Mekhlin's allowance rate?

60.4% of resolved applications examined by Eli S Mekhlin were allowed (1,142 resolved cases), compared with 40.6% across Art Unit 1721 over the last five years.

Does an interview help with examiner Eli S Mekhlin?

This examiner's interview lift is +48.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eli S Mekhlin take to allow a patent?

Applications allowed by Eli S Mekhlin took 1,027 days on average from filing to allowance.

Which art unit does examiner Eli S Mekhlin work in?

Eli S Mekhlin examines applications in Art Unit 1721 in Tech Center 1700 (Chemistry & Materials).

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