Prosecution Insights
Last updated: October 02, 2026

Examiner: DAY, ROBERT N

Tech Center 2600 • Art Units: 2122 2123 2148 2488 2666

This examiner grants 24% of resolved cases

Analysis

Robert N. Day is an examiner in Art Unit 2122 within Tech Center 2600. His profile shows 29 resolved cases with an allowance rate of 24.1 percent. This 24.1 percent rate provides a baseline for evaluating the probability of a grant. The 29 resolved cases offer an initial look at his prosecution tendencies in Tech Center 2600.

The median time to allowance for successful applications is 1539 days. The interview lift is 22.4 percent, indicating that direct engagement with the examiner can be beneficial. Given the 24.1 percent allowance rate, the 22.4 percent lift represents a substantial improvement in the odds of success. Practitioners should consider the 1539-day median pendency when deciding whether to prioritize interviews in Art Unit 2122.

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

Performance Statistics

24.1%
Allow Rate
-37.9% vs TC avg
65
Total Applications
+22.4%
Interview Lift
1539
Avg Prosecution Days
Based on 29 resolved cases, 2023–2026

Rejection Statute Breakdown

32.4%
§101 Eligibility
13.3%
§102 Novelty
43.0%
§103 Obviousness
10.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18314378 METHOD AND APPARATUS WITH MACHINE LEARNING Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17396510 SYSTEM AND METHOD FOR LIGHTWEIGHT SEMANTIC MASKING Non-Final OA Samsung Electronics Co., Ltd.
17156126 METHOD AND APPARATUS FOR CONTINUAL FEW-SHOT LEARNING WITHOUT FORGETTING Final Rejection Samsung Electronics Co., Ltd.
18382128 STATE DETERMINATION APPARATUS USING MACHINE LEARNING MODEL, DETERMINATION METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
18382149 STATE DETERMINATION APPARATUS USING MACHINE LEARNING MODEL, DETERMINATION METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
18382148 STATE DETERMINATION APPARATUS USING MACHINE LEARNING MODEL, DETERMINATION METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
18227261 METHOD OF LEARNING NEURAL NETWORK, FEATURE SELECTION APPARATUS, FEATURE SELECTION METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
18226059 METHOD OF LEARNING NEURAL NETWORK, FEATURE SELECTION APPARATUS, FEATURE SELECTION METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
18222401 STATE DETERMINATION APPARATUS USING MACHINE LEARNING MODEL, DETERMINATION METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
18586400 DATA PROCESSING METHOD, APPARATUS, AND SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18154132 Method for Training a Data-Based Evaluation Model Non-Final OA Robert Bosch GmbH
18424420 TRAINING ULTRA-LARGE-SCALE VISION TRANSFORMER NEURAL NETWORKS Non-Final OA Google LLC
17455548 Machine Learning and Reject Inference Techniques Utilizing Attributes of Unlabeled Data Samples Non-Final OA PayPal, Inc.
17903044 MACHINE LEARNING METHOD AND INFORMATION PROCESSING DEVICE OF TRAINING MODEL USING ADVERSARIAL NEURAL NETWORK Non-Final OA Fujitsu Limited
17534076 DEEP REINFORCEMENT LEARNING FOR FIELD DEVELOPMENT PLANNING OPTIMIZATION Non-Final OA Chevron U.S.A. Inc.
17404060 DISTRIBUTED MACHINE LEARNING USING SHARED CONFIDENCE VALUES Final Rejection International Business Machines Corporation
18678960 ANGLE BASED CONFIDENCE ESTIMATION FOR A NEURAL NETWORK USING BAYESIAN CONFIDENCE ESTIMATION Non-Final OA Government of the United States as represented by the Secretary of the Air Force
18178043 MACHINE LEARNING MONITORING TECHNIQUES FOR IDENTIFYING AND FACILITATING MODEL RETRAINING Final Rejection Optum Services (Ireland) Limited
17648447 EXPLAINABLE RESPONSE TIME PREDICTION OF STORAGE ARRAYS DETECTION Non-Final OA Dell Products L.P.
18784000 NODE AND RESERVOIR DEVICE Non-Final OA TDK Corporation

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