Prosecution Insights
Last updated: October 02, 2026

Examiner: UNDERWOOD, JARREAS C

Tech Center 3600 • Art Units: 2877 3645

This examiner grants 79% of resolved cases

Analysis

Jarreas C. Underwood is an examiner in Tech Center 3600 and Art Unit 2877, with 495 resolved cases. He maintains an allowance rate of 79.2%, which is a strong indicator of a high probability of success for applicants. This 79.2% rate suggests that the examiner is generally receptive to the arguments and amendments presented during prosecution. The 495 cases provide a solid dataset for understanding the prosecution landscape in this art unit.

The data also reveals an interview lift of 21.7%, which is a significant double-digit increase in the likelihood of allowance. This suggests that interviews are a highly effective strategy for resolving issues with this examiner. Furthermore, the median days to allowance is 884, providing a clear expectation for the duration of the prosecution process. The 21.7% lift is a compelling reason for practitioners to engage in direct dialogue to potentially shorten the 884-day median wait.

Practitioners should view the 21.7% interview lift as a key tool for navigating Art Unit 2877. While the 79.2% allowance rate is already favorable, the impact of an interview can be transformative for more difficult cases. With 495 cases resolved, these metrics offer a reliable guide for strategic decision-making. The 884-day median pendency should be factored into the overall timeline, with the understanding that active engagement can lead to more efficient outcomes.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

79.2%
Allow Rate
+27.2% vs TC avg
524
Total Applications
+21.7%
Interview Lift
884
Avg Prosecution Days
Based on 495 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
11.1%
§102 Novelty
55.9%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18581678 SMOKE DETECTOR UNIT Non-Final OA Tyco Fire & Security GmbH
18788815 OPTICAL SENSOR DEVICE, MEASUREMENT SYSTEM, AND MEASUREMENT METHOD Final Rejection Mitsubishi Electric Corporation
19022784 DROPLET SENSORS FOR FUEL SYSTEMS Non-Final OA Donaldson Company, Inc.
18409947 LED SENSOR MODULE Final Rejection Lumileds LLC
18855076 SPECTROSCOPY DEVICE, RAMAN SPECTROSCOPIC MEASUREMENT DEVICE, AND SPECTROSCOPY METHOD Final Rejection HAMAMATSU PHOTONICS K.K.
19202441 SYSTEM AND METHOD FOR MEASURING INSTANTANEOUS FREQUENCY OF A LIGHT SIGNAL Non-Final OA Stichting IMEC Nederland
18303795 GAS MEASURING DEVICE FOR DETERMINING THE CONCENTRATION OF AT LEAST ONE GAS COMPONENT IN A BREATHING GAS MIXTURE Non-Final OA Drägerwerk AG & Co. KGaA
18868800 CALIBRATION METHOD AND APPARATUS Non-Final OA ASML Netherlands B.V.
18755644 WAVEPLATE COMPENSATOR DESIGN Final Rejection KLA Corporation
18136772 Combined Spectroscopic Reflectometry And Pattern Recognition Based Measurements Of Semiconductor Structures Non-Final OA KLA Corporation
18833137 SPECTROMETER WITH BUILT-IN CALIBRATION PATH Final Rejection TRINAMIX GMBH
18631969 DEVICE AND METHOD FOR DETECTION OF PARTICLES USING A LINE LASER Final Rejection Research Triangle Institute

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month