Prosecution Insights
Last updated: April 19, 2026

Examiner: NGUYEN, THONG Q

Tech Center 2800 • Art Units: 2872

This examiner grants 68% of resolved cases

Performance Statistics

67.6%
Allow Rate
At TC average
1239
Total Applications
+12.2%
Interview Lift
1120
Avg Prosecution Days
Based on 1200 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
21.3%
§102 Novelty
34.3%
§103 Obviousness
32.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17167849 OPTICAL SYSTEM Non-Final OA California Institute of Technology
19270278 METHODS AND SYSTEMS FOR VOLUMETRIC IMAGING Non-Final OA STELLAROMICS, INC.
18066349 STEREOSCOPIC OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS Final Rejection CANON KABUSHIKI KAISHA
17759377 FLEXIBLE DISPLAY DEVICE Final Rejection WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
18618703 MAGNIFICATION-VARIABLE OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING MAGNIFICATION-VARIABLE OPTICAL SYSTEM Non-Final OA Nikon Corporation
18083482 VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR PRODUCING VARIABLE MAGNIFICATION OPTICAL SYSTEM Non-Final OA Nikon Corporation
18190702 OPTICAL ELEMENT DRIVING MECHANISM Final Rejection TDK TAIWAN CORP.
18208992 LENS-BARREL DEVICE AND MICROSCOPE SYSTEM Non-Final OA Evident Corporation
18115021 OCULAR TUBE Non-Final OA Evident Corporation
18150130 SAMPLE PLATE FOR A MICROSCOPE, AN INTERFERENCE REFLECTIVE MICROSCOPE SYSTEM COMPRISING SUCH A SAMPLE PLATE AND A BRIGHTFIELD MICROSCOPE SYSTEM COMPRISING SUCH A SAMPLE PLATE Final Rejection CITY UNIVERSITY OF HONG KONG
17938123 COLLISION PROTECTION FOR A MICROSCOPE Final Rejection Carl Zeiss Microscopy GmbH
17412586 Method and Apparatus for Light Sheet Microscopy and Method and Apparatus for Varying an Intensity of Illumination Light Non-Final OA Carl Zeiss Microscopy GmbH
18112876 METHODS AND SYSTEMS FOR MICROSCOPY Non-Final OA Applied Materials Israel Ltd.
17752999 SIGHT AND COMPENSATING MECHANISM THEREOF Final Rejection Asia Optical Co., Inc.
18134209 High-Resolution Microscope with a Housing Covering Optical Elements Mounted to a Carrier Support Non-Final OA Abberior Instruments GmbH
18222553 PHOTOGRAPHING LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE Non-Final OA LARGAN PRECISION CO., LTD.
18555951 ANTI-REFLECTIVE COATING HAVING IR PROTECTION AND MIRRORING AT HIGHER ANGLES 0F INCIDENCE Non-Final OA Rodenstock GmbH
17609248 Preliminary Products for Light Protection Devices with High-Precision Optics for Glare-Free Light Deflection Final Rejection Helmut KOESTER
17515544 OPTICAL LENS ASSEMBLY AND PHOTOGRAPHING MODULE Non-Final OA NEWMAX TECHNOLOGY CO., LTD.
18260738 OBSERVATION SYSTEM AND METHOD Non-Final OA BERTIN TECHNOLOGIES
18255824 DEVICE FOR CAPTURING MICROSCOPY IMAGES Non-Final OA PHIO SCIENTIFIC GMBH
16851785 Flash Insert For Mobile Phone Case Final Rejection Speculative Product Design, LLC
18247649 Sample Holder Assembly for Optical Microscopy Non-Final OA Charité-Universitätsmedizin Berlin
17920349 FOCAL PLANE SPACERS FOR MICROSCOPE SLIDES AND RELATED SYSTEMS AND METHODS Final Rejection LEAVITT MEDICAL, INC. D/B/A LUMEA
17867654 SYSTEMS AND METHODS FOR ILLUMINATING AND DESIGNATING OBJECTS THROUGH USE OF AN ADVANCED PHOTON EMITTER Non-Final OA Lighthouse Worldwide Solutions, Inc.

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