Prosecution Insights
Last updated: April 19, 2026

Examiner: CARLSON, JOSHUA MICHAEL

Tech Center 2800 • Art Units: 2877

This examiner grants 60% of resolved cases

Performance Statistics

59.7%
Allow Rate
-8.3% vs TC avg
110
Total Applications
+36.7%
Interview Lift
1053
Avg Prosecution Days
Based on 72 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
10.6%
§102 Novelty
51.0%
§103 Obviousness
33.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18101275 Determination Of The Concentration Of One Or More Substances In A Fluid Non-Final OA Fenwal, Inc.
18679163 MEASURING DEVICE, AND RECORDING MEDIUM Non-Final OA Mitsubishi Electric Corporation
18694678 Assembly for Measuring the Thickness of a Continuous Material Web Non-Final OA Matthews International Corporation
18160511 OPTICAL FILTER APPARATUS AND IMAGE PICKUP APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
17377179 LIGHT DETECTION SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
18847748 LIGHT DETECTING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18549389 LIGHT DETECTION DEVICE AND ELECTRONIC DEVICE Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18438222 PHASE MASKING FOR POLARIZATION AND OPTICAL SIGNAL CONTROL IN OPTICAL INSPECTION SYSTEMS Final Rejection Applied Materials, Inc.
18587228 METHOD AND MEASURING DEVICE FOR INSPECTING PHOTOMASKS, AND EUV CAMERA Non-Final OA Carl Zeiss SMT GmbH
18367208 Mesh Integrity Check Final Rejection Carl Zeiss SMT GmbH
17759902 METHOD AND APPARATUS FOR CONTACTLESS MEASURING OF AN OBJECT SURFACE Final Rejection FRIEDRICH-SCHILLER-UNIVERSITÄT JENA
18643796 ANGLE-RESOLVED SPECTROSCOPIC ELLIPSOMETER USING SPATIAL LIGHT MODULATOR AND THICKNESS MEASURING METHOD FOR THIN FILM Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
17908303 INSPECTION DEVICE AND INSPECTION METHOD Final Rejection HAMAMATSU PHOTONICS K.K.
18838759 OPTICAL APPARATUS Non-Final OA RENISHAW PLC
18559942 DIFFRACTION GRATING FOR MEASUREMENTS IN EUV-EXPOSURE APPARATUSES Non-Final OA ASML NETHERLANDS B.V
18772838 METROLOGY SYSTEM Non-Final OA LEICA GEOSYSTEMS AG
18599847 SYSTEMS AND METHODS FOR TESTING FIBER OPTIC CABLE INSTALLATION WITH A LIGHT GENERATOR Final Rejection Cox Communications, Inc.
17856473 TRIANGULATION DEVICE Final Rejection Banner Engineering Corp.
17735863 NANOSCALE IMAGING SYSTEMS AND METHODS THEREOF Final Rejection OptiPro Systems, LLC
18753904 Methods and Apparatus for Direct Calibration Non-Final OA Woods Hole Oceanographic Institution
18753768 Methods and Apparatus for Direct Calibration Non-Final OA Woods Hole Oceanographic Institution
18260172 SYSTEMS AND METHODS FOR FIBER OPTIC FOURIER SPECTROMETRY MEASUREMENT Non-Final OA SENTEK INSTRUMENT, LLC
18410828 HIGH SPEED OPTICAL FREQUENCY MEASUREMENT DEVICE Non-Final OA Lumentum Technology (UK) Limited
18537948 POLARIZING FILTER AND POLARIMETRIC IMAGE SENSOR INTEGRATING SUCH A FILTER Final Rejection Commissariat à I'Énergie Atomique et aux Énergies Alternatives
18510708 Optical Time-Domain Reflectometry System and Method Non-Final OA II-VI Photonics, Inc.
17935083 WEAKLY COUPLED ABSORBER TO PLASMONIC DEVICE Final Rejection The Government of the United of America, as represented by the Secretary of the Navy

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