Prosecution Insights
Last updated: April 19, 2026

Examiner: ANGEBRANNDT, MARTIN J

Tech Center 1700 • Art Units: 1722 1737 1795

This examiner grants 55% of resolved cases

Performance Statistics

55.1%
Allow Rate
-9.9% vs TC avg
1437
Total Applications
+34.5%
Interview Lift
1191
Avg Prosecution Days
Based on 1351 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
4.2%
§102 Novelty
59.6%
§103 Obviousness
2.1%
§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.
18317328 EXTREME ULTRAVIOLET (EUV) PHOTOMASK Non-Final OA Samsung Electronics Co., Ltd.
18299301 PELLICLE FOR EUV EXPOSURE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18357297 MASK ABSORBER LAYERS FOR EXTREME ULTRAVIOLET LITHOGRAPHY Non-Final OA The Regents of the University of California
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
18200238 PHOTOMASK AND METHOD OF MANUFACTURING DISPLAY PANEL USING THE SAME Non-Final OA Samsung Display Co., LTD.
18336111 FILM FORMING METHOD AND ARTICLE MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
18039466 REFLECTIVE MASK BLANK, REFLECTIVE MASK, REFLECTIVE MASK MANUFACTURING METHOD, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD Non-Final OA HOYA CORPORATION
18034656 MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE Non-Final OA HOYA CORPORATION
17966230 MASK BLANK, TRANSFER MASK, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE 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
18235249 TREATMENTS FOR THIN FILMS USED IN PHOTOLITHOGRAPHY Non-Final OA Applied Materials, Inc.
17961164 EUV LITHOGRAPHY USING POLYMER CRYSTAL BASED RETICLE Final Rejection Meta Platforms Technologies, LLC
17687499 HALOGENATED MONOMERS AND POLYMERS FOR VOLUME BRAGG GRATINGS Final Rejection Meta Platforms Technologies, LLC
18319757 DRY PHOTORESIST OR HARDMASK FOR EUV LITHOGRAPHY Non-Final OA International Business Machines Corporation
18779977 PELLICLE FOR AN EUV LITHOGRAPHY MASK AND A METHOD OF MANUFACTURING THEREOF Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18139266 PELLICLE FOR EUV LITHOGRAPHY MASKS AND METHODS OF MANUFACTURING THEREOF Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18103289 METHOD OF MANUFACTURING PHOTO MASKS AND SEMICONDUCTOR DEVICES Final Rejection 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.
17744795 COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, HOLOGRAPHIC RECORDING MEDIUM, OPTICAL MATERIAL, AND OPTICAL COMPONENT Final Rejection MITSUBISHI CHEMICAL CORPORATION
18068732 PRECURSORS AND METHODS FOR PRODUCING TIN-BASED PHOTORESIST Non-Final OA Intel Corporation
18323043 METHOD FOR MANUFACTURING AN IDENTITY DOCUMENT, IDENTITY DOCUMENT AND METHOD FOR AUTHENTICATING SUCH AN IDENTITY DOCUMENT Non-Final OA IDEMIA FRANCE
17884117 DRAWING METHOD, MASTER PLATE MANUFACTURING METHOD, AND DRAWING APPARATUS Final Rejection KIOXIA CORPORATION
17642734 HARDMASK COMPOSITION, HARDMASK LAYER, AND PATTERN FORMING METHOD Non-Final OA SAMSUNG SDI CO., LTD.
18277428 RESIST FILM THICKENING COMPOSITION AND METHOD FOR MANUFACTURING THICKENED PATTERN Non-Final OA MERCK PATENT GMBH
18205127 RESIST COMPOSITION AND PATTERN FORMING PROCESS Non-Final OA Shin-Etsu Chemical Co., Ltd.

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