Prosecution Insights
Last updated: May 29, 2026

Examiner: ANGEBRANNDT, MARTIN J

Tech Center 1700 • Art Units: 1722 1737 1795

This examiner grants 55% of resolved cases

Performance Statistics

55.2%
Allow Rate
-9.8% vs TC avg
1,439
Total Applications
+34.5%
Interview Lift
1140
Avg Prosecution Days
Based on 1360 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
3.9%
§102 Novelty
66.5%
§103 Obviousness
1.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18325465 RESIST COMPOSITION AND PATTERN FORMING METHOD USING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18320387 EXTREME ULTRAVIOLET (EUV) MASK AND MANUFACTURING METHOD THEREOF Final Rejection Samsung Electronics Co., Ltd.
18200238 PHOTOMASK AND METHOD OF MANUFACTURING DISPLAY PANEL USING THE SAME Final Rejection Samsung Display Co., LTD.
18336111 FILM FORMING METHOD AND ARTICLE MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
17900065 METHOD OF FORMING AN UNDERLAYER FOR EXTREME ULTRAVIOLET (EUV) DOSE REDUCTION AND STRUCTURE INCLUDING SAME Non-Final OA ASM IP Holding B.V.
18039466 REFLECTIVE MASK BLANK, REFLECTIVE MASK, REFLECTIVE MASK MANUFACTURING METHOD, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD Non-Final OA HOYA CORPORATION
17966230 MASK BLANK, TRANSFER MASK, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA HOYA CORPORATION
17683110 METHOD FOR MANUFACTURING MULTILAYERED-REFLECTIVE-FILM-PROVIDED SUBSTRATE, REFLECTIVE MASK BLANK AND METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR MANUFACTURING REFLECTIVE MASK Non-Final OA HOYA CORPORATION
17431700 REFLECTIVE MASK BLANK, REFLECTIVE MASK, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE Non-Final OA HOYA CORPORATION
18333933 FLEXOGRAPHIC PRINTING PLATE PRECURSOR AND MANUFACTURING METHOD OF FLEXOGRAPHIC PRINTING PLATE Non-Final OA FUJIFILM Corporation
17346982 IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND IMAGE FORMING PROGRAM Final Rejection FUJIFILM Corporation
17961164 EUV LITHOGRAPHY USING POLYMER CRYSTAL BASED RETICLE Final Rejection Meta Platforms Technologies, LLC
18319757 DRY PHOTORESIST OR HARDMASK FOR EUV LITHOGRAPHY Non-Final OA International Business Machines Corporation
18139266 PELLICLE FOR EUV LITHOGRAPHY MASKS AND METHODS OF MANUFACTURING THEREOF Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18103289 METHOD OF MANUFACTURING PHOTO MASKS AND SEMICONDUCTOR DEVICES Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY,LTD.
17885870 STRUCTURE AND METHOD OF SIGNAL ENHANCEMENT FOR ALIGNMENT PATTERNS Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
17818368 PHOTOMASK STRUCTURE AND METHOD OF MANUFACTURING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
17833830 EUV PHOTO MASKS AND MANUFACTURING METHOD THEREOF Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
17558092 MASK AND METHOD FOR FABRICATING THE SAME Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18328507 Polymerizable Monomer, Polymer Compound, Resist Composition, And Patterning Process Final Rejection SHIN-ETSU CHEMICAL CO., LTD.
18205127 RESIST COMPOSITION AND PATTERN FORMING PROCESS Non-Final OA Shin-Etsu Chemical Co., Ltd.
18320361 CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION AND RESIST PATTERN FORMING PROCESS Final Rejection Shin-Etsu Chemical Co., Ltd.
18115095 CHEMICALLY AMPLIFIED RESIST COMPOSITION AND PATTERNING PROCESS Non-Final OA Shin-Etsu Chemical Co., Ltd.
17603930 Pellicle, Exposure Original Plate with Pellicle, Method for Producing Semiconductor Device, Method for Producing Liquid Crystal Display Board, Method for Regenerating Exposure Original Plate, and Peeling Residue Reduction Method Non-Final OA Shin-Etsu Chemical Co., Ltd.
17603932 Agglutinant for Pellicle, Pellicle, Exposure Original Plate with Pellicle, Method for Producing Semiconductor Device, Method for Producing Liquid Crystal Display Board, Method for Regenerating Exposure Original Plate, and Peeling Residue Reduction Method Non-Final OA Shin-Etsu Chemical Co., Ltd.
18352556 MATERIALS AND METHODS FOR FORMING RESIST BOTTOM LAYER Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
18618406 PELLICLE FOR EUV LITHOGRAPHY Non-Final OA ASML NETHERLANDS B.V.
18617149 METAL-SILICIDE-NITRIDATION FOR STRESS REDUCTION Non-Final OA ASML NETHERLANDS B.V.
17922768 OPTICAL ELEMENT AND PELLICLE MEMBRANE FOR A LITHOGRAPHIC APPARATUS Final Rejection ASML NETHERLANDS B.V.
17792464 PELLICLE MEMBRANE FOR A LITHOGRAPHIC APPARATUS Final Rejection ASML NETHERLANDS B.V.

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