Prosecution Insights
Last updated: October 02, 2026

Examiner: SUBRAMANI, NANDINI

Tech Center 2600 • Art Units: 2656

This examiner grants 65% of resolved cases

Analysis

Nandini Subramani is an examiner in Tech Center 2600 and Art Unit 2656. The data shows 98 resolved cases for this examiner. The allowance rate is 65.3 percent, which represents the frequency of grants among those resolutions. Practitioners should consider the interview lift of 46.4 percent when developing a strategy. This lift indicates that the probability of success increases when an interview is conducted. The 46.4 percent figure is a comparison to the baseline allowance rate of 65.3 percent.

The median time to allowance is 1101 days. This 1101-day period is the duration from the initial filing to the final grant. Art Unit 2656 is the specific group where these 98 resolved cases were processed. Tech Center 2600 provides the broader organizational context for the examiner's work. Practitioners can use these metrics to set expectations for the length of the prosecution cycle. The data provides a basis for evaluating the impact of direct communication with the examiner during the patent application process.

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

Performance Statistics

64.6%
Allow Rate
+2.6% vs TC avg
114
Total Applications
+47.5%
Interview Lift
1102
Avg Prosecution Days
Based on 99 resolved cases, 2023–2026

Rejection Statute Breakdown

12.9%
§101 Eligibility
11.1%
§102 Novelty
65.3%
§103 Obviousness
8.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18634399 SYSTEMS AND TECHNIQUES FOR MANAGING DIGITAL ASSISTANT REQUEST STATES Final Rejection Apple Inc.
18676743 Unsupervised Learning of Disentangled Speech Content and Style Representation Final Rejection Google LLC
18017858 METHOD AND ELECTRONIC DEVICE FOR DETERMINING A DEEPFAKE PROBABILITY Final Rejection Sony Group Corporation
17693145 HEARING AID FOR COGNITIVE HELP USING SPEAKER RECOGNITION Final Rejection Sony Group Corporation
19014909 TRAINING DIALOGUE SYSTEMS TO AVOID HARMFUL CONTENT BY USING LANGUAGE MODELS Non-Final OA International Business Machines Corporation
19015018 LARGE LANGUAGE MODEL AUGMENTATION WITH DEFINITE FINITE AUTOMATON Non-Final OA NEC Laboratories America, Inc.
18068187 EFFICIENT FREQUENCY-BASED AUDIO RESAMPLING FOR USING NEURAL NETWORKS Final Rejection Nvidia Corporation
19004079 ARTIFICIAL INTELLIGENCE DEVICE AND OPERATING METHOD THEREOF Non-Final OA Korea Advanced Institute of Science and Technology
18007005 NOISE REDUCTION USING MACHINE LEARNING Final Rejection Dolby Laboratories Licensing Corporation
19047204 AUDIO SOURCE SEPARATION USING MULTI-MODAL AUDIO SOURCE CHANNALIZATION SYSTEM Non-Final OA SHURE ACQUISITION HOLDINGS, INC.

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