Prosecution Insights
Last updated: April 19, 2026

Examiner: YUEN, JACKY

Tech Center 1700 • Art Units: 1735 1793

This examiner grants 35% of resolved cases

Performance Statistics

34.9%
Allow Rate
-30.1% vs TC avg
626
Total Applications
+51.7%
Interview Lift
1274
Avg Prosecution Days
Based on 588 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
14.0%
§102 Novelty
54.1%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18372230 ELECTRODE ASSEMBLY AND RELATED BATTERY CELL, BATTERY, APPARATUS AND MANUFACTURING METHOD THEREFOR Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18014434 A method of casting a steel semi-product with high titanium content Non-Final OA ArcelorMittal
18482060 METHODS FOR CASTING A COMPONENT HAVING A READILY REMOVABLE CASTING CORE Final Rejection General Electric Company
17978424 MODULAR ADDITIVE MANUFACTURING PROCESS Final Rejection MATTHEWS INTERNATIONAL CORPORATION
19116397 MOLD RELEASE AGENT ADHESION STATE EVALUATION METHOD, LUBRICANT ADHESION STATE EVALUATION METHOD, AND MOLD RELEASE AGENT ADHESION STATE EVALUATION SYSTEM Non-Final OA MORESCO CORPORATION
18206988 LITHIUM-AIR BATTERY-BASED POWER SUPPLY APPARATUS AND CONTROL METHOD THEREOF Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
19043217 PROCESS FOR EVAPORATIVE CASTING Non-Final OA Skuld LLC
18225642 BORIC ACID DERIVATIVE MODIFIED BINDER AND LITHIUM-ION BATTERY INCLUDING SAME Non-Final OA Zhuhai CosMX Battery Co., Ltd.
17800238 SELF-EXTINGUISHABLE FILM FOR LITHIUM-ION BATTERY, METHOD OF PRODUCING SAME, AND LITHIUM-ION BATTERY Non-Final OA MITSUI CHEMICALS, INC.
18829807 FLASK REMOVAL UNIT, MODELING MACHINE, AND FLASK REMOVAL METHOD Non-Final OA SINTOKOGIO, LTD.
18018588 Method for the prelithiation of a silicon-containing anode in a lithium-ion battery Non-Final OA Wacker Chemie AG
17681071 PVD COATINGS FOR ALUMINUM DIE CASTING MOLDS Final Rejection Vapor Technologies, Inc.
18497538 THREE-DIMENSIONAL PRINTING APPARATUS Non-Final OA UNITECH3DP INC.
18237144 APPARATUS FOR THE ENHANCEMENT OF NON-METALLIC PARTICLE REMOVAL FROM LIQUID METAL FLOWING THROUGH A VESSEL Non-Final OA HarbisonWalker International Holdings, Inc.
18198325 SOLID-STATE BATTERY, SOLID-STATE BATTERY MANUFACTURING METHOD, AND SOLID-STATE BATTERY MONITORING METHOD Non-Final OA FDK CORPORATION
18212178 METHOD FOR SAFE RECOVERY OF A WASTE CATHODE PIECE OF A LITHIUM ION BATTERY AND APPLICATION THEREOF Non-Final OA HUNAN BRUNP VEHICLES RECYCLING CO., LTD.
18258320 METHOD FOR PRODUCING A CATHODE STEEL BAR WITH COPPER INSERT, AND METHOD FOR REMOVING A COPPER INSERT FROM A USED CATHODE BAR Non-Final OA Storvik AS
17928658 Modular series-connected battery pack (BlMoSe) Final Rejection LIMATECH
18082020 LITHIUM SECONDARY BATTERIES Final Rejection PROLOGIUM TECHNOLOGY CO., LTD.
17969687 TERMINAL COMPONENT, SECONDARY BATTERY, AND METHOD FOR PRODUCING TERMINAL COMPONENT Non-Final OA AOYAMA SEISAKUSHO IBARAKI PLANT CO., LTD.
17620691 INGOT MOLD FOR CONTINUOUS CASTING OF METALS, TEMPERATURE MEASUREMENT SYSTEM AND SYSTEM AND METHOD FOR DETECTING BREAKOUT IN A FACILITY FOR CONTINUOUS CASTING OF METALS Final Rejection CSN Carl Schreiber GmbH
17619986 METHOD FOR BALANCING A FLOW OF LIQUID STEEL INTO A CASTING MOLD AND CONTINUOUS CASTING SYSTEM FOR LIQUID STEEL Final Rejection EBDS Engineering S.p.r.l.
17472643 Insert for Hot runner Final Rejection INGLASS S.P.A.

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