Prosecution Insights
Last updated: October 02, 2026

Examiner: DASGUPTA, SHOURJO

Tech Center 2400 • Art Units: 2121 2144 2174 2176 2438

This examiner grants 65% of resolved cases

Analysis

Shourjo Dasgupta is an examiner in Tech Center 2400, specifically within Art Unit 2121. He has 465 resolved cases and an allowance rate of 65.2%. This rate indicates a moderate level of difficulty for applicants. The interview lift is 39.3%, which is a very high figure showing that interviews are an exceptionally effective tool for securing an allowance.

The median days to allowance for this examiner is 1248. This timeline indicates a prosecution cycle of over three years. For practitioners, the 465 resolved cases offer a reliable data set for strategy. The 65.2% allowance rate and the 39.3% interview lift suggest that direct engagement is a key part of a successful prosecution strategy. In Art Unit 2121, the 1248-day median pendency is an important benchmark for managing client expectations and planning for a multi-year process.

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

Performance Statistics

65.2%
Allow Rate
+7.2% vs TC avg
491
Total Applications
+39.3%
Interview Lift
1248
Avg Prosecution Days
Based on 465 resolved cases, 2023–2026

Rejection Statute Breakdown

12.6%
§101 Eligibility
11.0%
§102 Novelty
57.9%
§103 Obviousness
16.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18462702 SIMULATION METHOD AND SIMULATION DEVICE Non-Final OA Samsung Electronics Co., Ltd.
17740291 MACHINE-LEARNING BASED GESTURE RECOGNITION WITH FRAMEWORK FOR ADDING USER-CUSTOMIZED GESTURES Non-Final OA Apple Inc.
17577891 Systems and Methods for Predicting Power Converter Health Final Rejection ABB Schweiz AG
18772334 METHOD FOR TRAINING A CONVOLUTIONAL NEURAL NETWORK COMPRISING NODES ARRANGED IN LAYERS AND A PRUNING MASK Non-Final OA Robert Bosch GmbH
17510215 METHOD AND DEVICE FOR ASCERTAINING THE ENERGY INPUT OF LASER WELDING USING ARTIFICIAL INTELLIGENCE Final Rejection Robert Bosch GmbH
17091499 Knowledge-Driven and Self-Supervised System for Question-Answering Non-Final OA Robert Bosch GmbH
17663430 Machine Learning Hyperparameter Tuning Non-Final OA Google LLC
17651682 METHOD AND SYSTEM FOR PREDICTING HYDROCARBON RESERVOIR INFORMATION FROM RAW SEISMIC DATA Non-Final OA SAUDI ARABIAN OIL COMPANY
17462156 AI-BASED DETECTION OF PROCESS ANOMALIES IN USAGE DATA FROM PATIENT EXAMINATION DEVICES IN HEALTHCARE Non-Final OA Siemens Healthcare GmbH
17805310 GRAPH-BASED SEMI-SUPERVISED GENERATION OF FILES Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
17379078 DIALYSIS EVENT PREDICTION Non-Final OA NEC Laboratories America, Inc.
17127762 SELF ORGANIZATION OF NEUROMORPHIC MACHINE LEARNING ARCHITECTURES Final Rejection California Institute of Technology
18589910 DEVICE AND METHOD FOR IMPROVED POLICY LEARNING FOR ROBOTS Non-Final OA Carnegie Mellon University
17673894 METHOD AND APPARATUS WITH ADVERSE DRUG REACTION DETECTION BASED ON MACHINE LEARNING Non-Final OA RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
17813396 NEURAL NETWORK MEMORY CONFIGURATION Non-Final OA Arm Limited
18152588 EFFICIENT DRIFT DURATION PREDICTION FOR MACHINE LEARNING MODEL MANAGEMENT Final Rejection Dell Products L.P.
18585203 SYSTEM AND METHOD FOR EMPIRICAL PROMPT TUNING Non-Final OA Actimize Ltd.
17985020 Photonic Ising Compute Engine with An Optical Phased Array Non-Final OA Raytheon BBN Technologies, Corp.

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