Prosecution Insights
Last updated: October 26, 2026

Philip N Schwartz, USPTO Patent Examiner

Listed by the USPTO as SCHWARTZ, PHILIP N

Tech Center 1700 • Art Units: 1746 1747 1749

This examiner grants 56% of resolved cases

Analysis

SCHWARTZ, PHILIP N handles matters in Tech Center 1700 and Art Unit 1746. The record includes 573 resolved cases, with an allowance rate of 55.5%, an interview lift of 17.0%, and a median of 1273 days to allowance. The profile reflects a moderate allowance level and a limited interview association over a substantial number of cases.

The principal companies are The Yokohama Rubber Co., Ltd., Samsung SDI Co., Ltd., and Sumitomo Rubber Industries Ltd. The leading firms are BIRCH STEWART KOLASCH & BIRCH, LLP, MAIER & MAIER, PLLC, and SZDC Law P.C. Written responses and carefully supported amendments should remain central to prosecution planning.

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

Performance Statistics

55.5%
Allow Rate
-9.5% vs TC avg
659
Total Applications
+17.0%
Interview Lift
1273
Avg Prosecution Days
Based on 573 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
17.2%
§102 Novelty
58.3%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18780773 CURRENT COLLECTOR FOIL FOR LIQUID CELL AND LIQUID CELL Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18199714 BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18266124 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18273911 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Energy Co., Ltd.
18570024 SOLID ELECTROLYTE AND METHOD FOR PRODUCING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18282862 BATTERY PACK Final Rejection LG ENERGY SOLUTION, LTD.
18819318 CATHODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY WITH NOVEL COMPOSITION Non-Final OA Kia Corporation
18515370 BATTERY GAP FILLER INJECTION STRUCTURE Non-Final OA Kia Corporation
18265116 STORAGE BATTERY SYSTEM, SECONDARY BATTERY, AND OPERATION METHOD OF STORAGE BATTERY SYSTEM Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18835485 SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEBALE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18756160 NEGATIVE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18752495 ELECTRODE, AND LITHIUM BATTERY CONTAINING THE ELECTRODE Non-Final OA Samsung SDI Co., Ltd.
18469778 MULTI-STACK BATTERY CELLS WITH DIFFERENT TAB LENGTHS Final Rejection GM GLOBAL TECHNOLOGY OPERATIONS LLC
18768532 BATTERY CELL AND ELECTRIC DEVICE Non-Final OA Ningde Amperex Technology Limited
18731804 ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE Non-Final OA Ningde Amperex Technology Limited
18673904 POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE PLATE, SODIUM-ION SECONDARY BATTERY, AND ELECTRICAL DEVICE Non-Final OA Ningde Amperex Technology Limited

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Frequently Asked Questions

What is examiner Philip N Schwartz's allowance rate?

55.5% of resolved applications examined by Philip N Schwartz were allowed (573 resolved cases), compared with 57.1% across Art Unit 1746 over the last five years.

Does an interview help with examiner Philip N Schwartz?

This examiner's interview lift is +17.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Philip N Schwartz take to allow a patent?

Applications allowed by Philip N Schwartz took 1,273 days on average from filing to allowance.

Which art unit does examiner Philip N Schwartz work in?

Philip N Schwartz examines applications in Art Unit 1746 in Tech Center 1700 (Chemistry & Materials).

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