Prosecution Insights
Last updated: April 19, 2026

Examiner: PEREZ-GUZMAN, CARLOS GABRIEL

Tech Center 2800 • Art Units: 2877

This examiner grants 81% of resolved cases

Performance Statistics

80.6%
Allow Rate
+12.6% vs TC avg
160
Total Applications
+25.5%
Interview Lift
845
Avg Prosecution Days
Based on 134 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
21.4%
§102 Novelty
50.6%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18788434 LIGHT SOURCE Non-Final OA NKT PHOTONICS A/S
18725694 IMAGING SYSTEMS AND RELATED SYSTEMS AND METHODS Non-Final OA ILLUMINA, INC.
18836234 SPECTROSCOPIC DEVICE, SPECTROSCOPIC METHOD, RAMAN SCATTERING ANALYSIS DEVICE, LUMINESCENCE SPECTROSCOPIC ANALYSIS DEVICE, AND HARMONIC OBSERVATION DEVICE Non-Final OA TOHOKU UNIVERSITY
18792832 SYSTEM AND METHOD FOR MEASURING BIDIRECTIONAL REFLECTANCE DISTRIBUTION FUNCTION Non-Final OA The Boeing Company
18848909 OPTICAL DEVICE AND BIOSENSOR Non-Final OA KYOCERA CORPORATION
18762610 PHOTOMETRIC APPARATUS, PHOTOMETRIC METHOD, AND CALIBRATION SYSTEM Non-Final OA Konica Minolta, Inc.
18597175 Gas Absorption Spectroscopy Device Final Rejection SHIMADZU CORPORATION
18686129 SAMPLE HOLDER FOR SUPPORTING A HAIR STRAND, HAIR STRAND ANALYSIS KIT AND METHOD Non-Final OA L'OREAL
18725655 COLOR MEASUREMENT DEVICE HAVING A COMPACT OPTICAL SYSTEM Non-Final OA X-RITE EUROPE GMBH
18851938 METHOD AND DEVICE FOR DETERMINING AN IMAGING QUALITY OF AN OPTICAL SYSTEM TO BE TESTED Non-Final OA TRIOPTICS GmbH
18851946 APPARATUS FOR DETERMINING THE PRESENCE OF A CHARACTERISTIC OF A SAMPLE, AND IN PARTICULAR FOR SEX DETERMINATION OF A FERTILISED BIRD EGG, USE, AND METHOD Non-Final OA TECHNISCHE HOCHSCHULE OSTWESTFALEN-LIPPE
18624444 PARALLEL SCANNING OVERLAY METROLOGY WITH OPTICAL META-SURFACES Non-Final OA KLA Corporation
18838333 Method for Determining the Amount of At Least One Sealant Applied to a Side Edge of a Composite Wood Board Non-Final OA Flooring Technologies Ltd.
18685416 MEASURING APPARATUS AND METHOD FOR MEASURING THE TEMPERATURE OF A MOLTEN METAL BATH WITH AN OPTICAL DEVICE Non-Final OA Heraeus Electro-Nite International N.V.
18560277 Geological Surface-Scanning Apparatus Final Rejection PlotLogic Pty Ltd
18552265 MANUFACTURING METHOD FOR SENSOR BOARD, SENSOR BOARD, SENSOR SYSTEM, AND RAMAN SCATTERING DETECTION METHOD Non-Final OA LucasLand, Co. Ltd.
18352091 VERY HIGH RESOLUTION SPECTROMETER FOR MONITORING OF SEMICONDUCTOR PROCESSES Final Rejection Verity Instruments, Inc.

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