Prosecution Insights
Last updated: October 26, 2026

Haroon S Sheikh, USPTO Patent Examiner

Listed by the USPTO as SHEIKH, HAROON S

Tech Center 1700 • Art Units: 1724 1751

This examiner grants 71% of resolved cases

Analysis

SHEIKH, HAROON S works in tech center 1700 and art unit 1724. The record includes 464 resolved cases, a 70.7% allowance rate, and a median of 1104 days to allowance. Interviews are associated with an 18.5% lift in the reported allowance outcome.

The leading companies are LG Energy Solution Ltd., Ningde Amperex Technology Limited, and Toyota Motor Corporation. Listed firms include MAIER & MAIER, PLLC, SUGHRUE MION, PLLC, and ARMSTRONG TEASDALE LLP (15060). Counsel can use the resolution history to frame expectations about prosecution, while the interview metric supports considering a focused discussion where technical distinctions or claim amendments would benefit from direct explanation.

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

Performance Statistics

70.7%
Allow Rate
+5.7% vs TC avg
501
Total Applications
+18.5%
Interview Lift
1104
Avg Prosecution Days
Based on 464 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
22.5%
§102 Novelty
55.8%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18421574 BATTERY PACK, TOOL BATTERY AND BATTERY OPERATED TOOL Non-Final OA TECHTRONIC CORDLESS GP
18385494 APPARATUS FOR MANUFACTURING SECONDARY BATTERY, METHOD FOR MANUFACTURING SECONDARY BATTERY, AND SECONDARY BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18777938 Lithium Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18272025 CYLINDRICAL SECONDARY BATTERY, BATTERY PACK, AND VEHICLE Non-Final OA LG ENERGY SOLUTION, LTD.
18220198 SAFETY IMPROVED PRISMATIC SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
17702272 ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY Final Rejection TDK CORPORATION
18080231 FUEL CELL SYSTEM Final Rejection KIA CORPORATION
17927554 BIPOLAR PLATE Non-Final OA AUDI AG
18552936 RECHARGEABLE ANODE-FREE SODIUM METAL BATTERIES ENABLED BY NON-POROUS SODIUM METAL PLATING AND STRIPPING Non-Final OA Washington University
18277319 Method Of Preparing Positive Electrode Active Material For Lithium Secondary Battery, Positive Electrode Active Material For Lithium Secondary Battery, And Positive Electrode For Lithium Secondary Battery And Lithium Secondary Battery Which Include The Same Non-Final OA LG Chem, Ltd.
18778143 ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE CONTAINING SAME Non-Final OA Ningde Amperex Technology Limited
18778048 BATTERY AND ELECTRONIC APPARATUS INCLUDING SAME Non-Final OA Ningde Amperex Technology Limited

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Frequently Asked Questions

What is examiner Haroon S Sheikh's allowance rate?

70.7% of resolved applications examined by Haroon S Sheikh were allowed (464 resolved cases), compared with 63.2% across Art Unit 1724 over the last five years.

Does an interview help with examiner Haroon S Sheikh?

This examiner's interview lift is +18.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Haroon S Sheikh take to allow a patent?

Applications allowed by Haroon S Sheikh took 1,104 days on average from filing to allowance.

Which art unit does examiner Haroon S Sheikh work in?

Haroon S Sheikh examines applications in Art Unit 1724 in Tech Center 1700 (Chemistry & Materials).

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