Prosecution Insights
Last updated: May 29, 2026

Examiner: DION, MARCEL T

Tech Center 3700 • Art Units: 2875 3723 3724 3727 3761

This examiner grants 40% of resolved cases

Performance Statistics

39.7%
Allow Rate
-30.3% vs TC avg
506
Total Applications
+35.6%
Interview Lift
1362
Avg Prosecution Days
Based on 448 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
3.3%
§102 Novelty
93.1%
§103 Obviousness
3.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19295324 Fastener Extractor Device Non-Final OA Grip Holdings LLC
17994791 MANUFACTURING METHOD OF DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18294730 POLISHING APPARATUS AND POLISHING END POINT DETECTION METHOD IN POLISHING APPARATUS Non-Final OA EBARA CORPORATION
18314233 SANDER Non-Final OA Nanjing Chervon Industry Co., Ltd.
18417381 LONG ROD POLISHING DEVICE Final Rejection MAKITA CORPORATION
18417124 POLISHING HEAD WITH RETAINING RING WEAR SENSING Non-Final OA Applied Materials, Inc.
16831664 SLURRY TEMPERATURE CONTROL BY MIXING AT DISPENSING Final Rejection Applied Materials, Inc.
17417606 Hand-Held Power Tool Non-Final OA Robert Bosch GmbH
17894109 CUTTING MACHINE Non-Final OA HONDA MOTOR CO., LTD.
18872469 CRYSTAL WAFERING SYSTEM AND METHOD Final Rejection SCIENTIFIC VISUAL SA
18165058 SURFACE IRREGULARITY REDUCING METHOD AND SURFACE IRREGULARITY REDUCING APPARATUS Non-Final OA DISCO CORPORATION
17104829 POLISHING PAD, PREPARATION METHOD THEREOF, AND PREPARATION METHOD OF SEMICONDUCTOR DEVICE USING SAME Final Rejection Enpulse Co., Ltd.
18255890 SPECTACLE LENS PROCESSING METHOD AND SPECTACLE LENS PROCESSING PROGRAM Non-Final OA HOYA LENS THAILAND LTD.
18406465 Wafer Polishing Locating Ring and Chemical Mechanical Polishing Device Non-Final OA Shanghai Huali Integrated Circuit Corporation
18553050 BELT PROCESSING DEVICE Non-Final OA MAKINO MILLING MACHINE CO., LTD.
18565843 WINDOW-MOUNTED POLISHING PAD AND METHOD OF MANUFACTURING THE SAME Non-Final OA KPX ELECTROCHEM CO., LTD.
18230143 GRINDING HEAD ASSEMBLY AND DRIVER INTERFACE Non-Final OA Multiquip, Inc.
18548524 WIRE NET MONITORING DEVICE AND MONITORING SYSTEM PROVIDED WITH MONITORING DEVICE Non-Final OA TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD.
18007480 LARGE-SIZE SINGLE CRYSTAL CUTTING DEVICE AND METHOD OF THE SAME Final Rejection TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD.
18212201 BLOCK-TYPE STRUCTURED DIAMOND GRINDING WHEEL WITH ADAPTIVE SUPPLY OF INSTANTANEOUS COOLING Non-Final OA HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
17724827 AIR GUIDER Final Rejection X'POLE PRECISION TOOLS INC.
18106538 COMPOSITE ABRASIVE PAPER Non-Final OA Shaoxing Ziyuan Polishing Co., Ltd.
17896921 LOW-MAINTENANCE, WALK-BEHIND WET/DRY CONCRETE GRINDER/POLISHER Final Rejection Refuse Materials, Inc.
15998372 Trowel-Grinder-Polisher Machines Final Rejection POWER TROWEL GRINDING INDUSTRY, LLC

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