Prosecution Insights
Last updated: October 02, 2026

Examiner: KARWAN, SIHAR A

Tech Center 3600 • Art Units: 2422 3656 3658 3661 3664

This examiner grants 56% of resolved cases

Analysis

Examiner SIHAR A KARWAN works in Tech Center 3600 and Art Unit 2422. The examiner has 413 resolved cases, providing a robust data set for analyzing prosecution trends. This 413 case history indicates a significant level of experience and a well-established pattern of dispositions within the art unit.

The allowance rate is 56.9 percent. This 56.9 percent rate is complemented by an interview lift of 27.2 percent. The 27.2 percent lift indicates that interviews are a highly effective intervention for applications in Art Unit 2422 compared to the 56.9 percent baseline. Practitioners should note that the probability of allowance increases substantially when an interview is part of the prosecution strategy.

The median days to allowance is 1127. This 1127 day timeframe is the median duration for applications that reach a notice of allowance. The 56.9 percent allowance rate and the 1127 day median provide a clear expectation for the timeline and likelihood of success in Tech Center 3600. The 27.2 percent interview lift is a key metric for optimizing results.

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

Performance Statistics

56.5%
Allow Rate
+4.5% vs TC avg
433
Total Applications
+26.9%
Interview Lift
1125
Avg Prosecution Days
Based on 416 resolved cases, 2023–2026

Rejection Statute Breakdown

10.9%
§101 Eligibility
38.0%
§102 Novelty
33.1%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18793535 HEAD MOVEMENT CONTROL OF A VIEWING SYSTEM Non-Final OA Intuitive Surgical Operations, Inc.
18514477 SYSTEM AND METHODS FOR PROVIDING IMMERSIVE VIRTUAL CONTENT DURING A SELF-DRIVING MODE OF AN AUTONOMOUS VEHICLE Final Rejection Adeia Guides Inc.
18509581 VEHICLE AND METHOD OF CONTROLLING DRIVING THEREOF Final Rejection Kia Corporation
18883886 Data Network Traffic Management Final Rejection Comcast Cable Communications, LLC
18781849 METHOD FOR EVALUATING DRIVING SYSTEM AND STORAGE MEDIUM Final Rejection DENSO CORPORATION
18914929 KERNEL-BASED ERGODIC SEARCH Final Rejection Northwestern University
18541256 ROBOTIC MANIPULATION OF OBJECTS Non-Final OA Boston Dynamics, Inc.
18072863 SYSTEMS AND METHODS FOR OBJECT DETECTION AND PICK ORDER DETERMINATION Non-Final OA Boston Dynamics, Inc.
18301806 COMMUNICATION MONITORING SYSTEM Final Rejection Transportation IP Holdings, LLC
18362096 ASSIST SYSTEM FOR A VEHICLE Non-Final OA GM Global Technology Operations LLC
19004738 Precise Control For An Autonomous Vehicle Non-Final OA Nissan North America, Inc.
18317850 SYSTEMS AND METHODS FOR USING A PARTITIONED DEEP NEURAL NETWORK WITH A CONSTRAINED DATA CAP Final Rejection STEERING SOLUTIONS IP HOLDING CORPORATION

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