Prosecution Insights
Last updated: October 27, 2026

Arjuna P Chatrathi, USPTO Patent Examiner

Listed by the USPTO as CHATRATHI, ARJUNA P

Tech Center 3700 • Art Units: 3781 3783

This examiner grants 62% of resolved cases

Analysis

CHATRATHI, ARJUNA P works in tech center 3700 and art unit 3781. The profile covers 213 resolved cases, with a 62.0% allowance rate and a median of 1046 days to allowance. The data shows that allowance is achieved in a portion of the recorded matters, with a prosecution timeline that can affect business and continuation decisions.

The interview lift is 22.3%, indicating a positive association between interviews and allowance outcomes. The listed companies are Baxter Healthcare, Procter & Gamble, and Essity Hygiene And Health. The leading firms are WOMBLE BOND DICKINSON, Knobbe Martens, and Bell & Manning. Counsel may benefit from using interviews to address claim scope while retaining written fallback positions.

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

Performance Statistics

62.0%
Allow Rate
-8.0% vs TC avg
277
Total Applications
+22.3%
Interview Lift
1046
Avg Prosecution Days
Based on 213 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
14.7%
§102 Novelty
60.7%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18921307 BODY-CONFORMABLE ABSORBENT ARTICLE Non-Final OA The Procter & Gamble Company
18213401 ABSORBENT ARTICLES CONTAINING WETNESS INDICATING COMPOSITIONS AND METHODS FOR MANUFACTURE Non-Final OA The Procter & Gamble Company
18911793 VALVE ASSEMBLIES AND GASKETS FOR OPHTHALMIC SURGICAL CASSETTES Non-Final OA Alcon Inc.
18959427 PACKAGED, SEALED CONTAINER SYSTEM FOR STABLE STORAGE OF AN OXYGEN SENSITIVE PHARMACEUTICAL FORMULATION Non-Final OA Baxter Healthcare SA
18635810 PACKAGED, SEALED CONTAINER SYSTEM FOR STABLE STORAGE OF AN OXYGEN SENSITIVE PHARMACEUTICAL FORMULATION Final Rejection Baxter Healthcare SA
18164785 PACKAGED, SEALED CONTAINER SYSTEM FOR STABLE STORAGE OF AN OXYGEN SENSITIVE PHARMACEUTICAL FORMULATION Non-Final OA Baxter Healthcare SA
18563658 DIAPER SENSOR, DISPOSABLE DIAPER, AND DISPOSABLE DIAPER KIT Final Rejection NOK CORPORATION
18622604 Air Venting Meter Lid Adapter Non-Final OA C. R. Bard, Inc.
18737399 SUPRACHOROIDAL IMPLANTABLE DEVICES AND METHODS FOR TREATING HYPERTENSION WITHIN AN EYE Final Rejection W. L. Gore & Associates, Inc.
17802842 POST-OPERATIVE SURGICAL SITE WOUND TREATMENT AND METHOD FOR DEVICE REMOVAL Non-Final OA The Regents of the University of Colorado, a body corporate
18693931 Drain Electrode Final Rejection UNM Rainforest Innovations
16979869 MEDICAL SYSTEM, SERVER DEVICE, AND ACCESSORY DEVICE FOR MEDICAL APPLIANCE BASE PLATE MONITORING BASED ON USER TYPES Final Rejection Coloplast A/S
18975329 NEGATIVE PRESSURE WOUND THERAPY BARRIER Non-Final OA J&M Shuler Medical Inc.

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Frequently Asked Questions

What is examiner Arjuna P Chatrathi's allowance rate?

62.0% of resolved applications examined by Arjuna P Chatrathi were allowed (213 resolved cases), compared with 50.6% across Art Unit 3781 over the last five years.

Does an interview help with examiner Arjuna P Chatrathi?

This examiner's interview lift is +22.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Arjuna P Chatrathi take to allow a patent?

Applications allowed by Arjuna P Chatrathi took 1,046 days on average from filing to allowance.

Which art unit does examiner Arjuna P Chatrathi work in?

Arjuna P Chatrathi examines applications in Art Unit 3781 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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