Prosecution Insights
Last updated: April 19, 2026

Examiner: DION, MARCEL T

Tech Center 3700 • Art Units: 3723 3727 3761

This examiner grants 39% of resolved cases

Performance Statistics

39.4%
Allow Rate
-30.6% vs TC avg
501
Total Applications
+35.5%
Interview Lift
1367
Avg Prosecution Days
Based on 442 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
18.1%
§102 Novelty
49.6%
§103 Obviousness
28.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18412053 BACK GRINDING APPARATUS AND WEAR AMOUNT MEASURING METHOD USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19295324 Fastener Extractor Device Non-Final OA Grip Holdings LLC
18049489 Methods and Apparatuses for Extracting Fasteners 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
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.
18314233 SANDER Non-Final OA Nanjing Chervon Industry Co., Ltd.
18417381 LONG ROD POLISHING DEVICE Final Rejection MAKITA CORPORATION
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
17104829 POLISHING PAD, PREPARATION METHOD THEREOF, AND PREPARATION METHOD OF SEMICONDUCTOR DEVICE USING SAME Final Rejection Enpulse Co., Ltd.
17101363 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.
18512310 SHOT-BLASTING DEVICE, CONTROL METHOD, AND CONTROL PROGRAM Non-Final OA SINTOKOGIO, LTD.
18019926 TOOL HOLDER, PROCESSING TOOL, TOOL SPINDLE AND METHOD FOR PROCESSING OPTICAL WORK-PIECES Final Rejection Schneider GmbH & Co. KG
18411335 Modular Support Rail for Centerless Grinding Non-Final OA Berger Holding GmbH & Co. KG
18553050 BELT PROCESSING DEVICE Non-Final OA MAKINO MILLING MACHINE CO., LTD.
17653997 GRINDING WHEEL ASSEMBLY Final Rejection SAINT-GOBAIN ABRASIFS
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.
18230143 GRINDING HEAD ASSEMBLY AND DRIVER INTERFACE Non-Final OA Multiquip, Inc.
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.
17896921 LOW-MAINTENANCE, WALK-BEHIND WET/DRY CONCRETE GRINDER/POLISHER Final Rejection Refuse Materials, Inc.
16730533 DEVICE FOR UNSEATING TIRE BEADS FROM RIMS Final Rejection RD MALENFANT INC.
15998372 Trowel-Grinder-Polisher Machines Final Rejection POWER TROWEL GRINDING INDUSTRY, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month