Prosecution Insights
Last updated: October 26, 2026

Hans Christian Kaliher, USPTO Patent Examiner

Listed by the USPTO as KALIHER, HANS CHRISTIAN

Tech Center 3700 • Art Units: 3781

This examiner grants 63% of resolved cases

Analysis

KALIHER, HANS CHRISTIAN is assigned to tech center 3700 and art unit 3781. The profile covers 140 resolved cases, with an allowance rate of 62.9% and a median of 1142 days to allowance. Interview participation corresponds to a 27.3% lift in the recorded allowance rate. This combination indicates that interviews are associated with a higher allowance outcome in the available case history.

Listed companies include Everett Medical Technologies LLC, Smith & Nephew plc, and The Procter & Gamble Company. Listed firms include Knobbe, Martens, Olson & Bear, LLP, CANTOR COLBURN LLP - ESSITY, and Faegre Drinker Biddle & Reath LLP - W.L. Gore. The case volume gives practitioners a meaningful record for examining prosecution patterns. Counsel may consider interviews as part of a broader response strategy while accounting for the median prosecution duration.

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

Performance Statistics

62.9%
Allow Rate
-7.1% vs TC avg
191
Total Applications
+27.3%
Interview Lift
1142
Avg Prosecution Days
Based on 140 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
23.2%
§102 Novelty
52.1%
§103 Obviousness
20.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17481344 ABSORBENT ARTICLES WITH PATTERNED FRONT EARS Final Rejection The Procter & Gamble Company
18715298 ABSORBENT ARTICLE INCLUDING A FAECES POCKET Final Rejection Essity Hygiene and Health Aktiebolag
18857383 CONFIGURATION OF A MEDICAL DEVICE SYSTEM FOR IMPEDANCE-BASED CALIBRATION OF DIALYSIS SESSIONS Non-Final OA Medtronic, Inc.
17782224 ABSORBENT ARTICLE Final Rejection Kimberly-Clark Worldwide, Inc.
17780114 VALVE ISLAND FOR A HYDRAULIC ASSEMBLY FOR A DIALYSIS MACHINE Non-Final OA B. Braun Avitum AG
17592460 HIGH ABSORBENCY GARMENT LAYER AND METHOD OF MANUFACTURING SAME Non-Final OA Thinx Inc.

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Frequently Asked Questions

What is examiner Hans Christian Kaliher's allowance rate?

62.9% of resolved applications examined by Hans Christian Kaliher were allowed (140 resolved cases), compared with 50.6% across Art Unit 3781 over the last five years.

Does an interview help with examiner Hans Christian Kaliher?

This examiner's interview lift is +27.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hans Christian Kaliher take to allow a patent?

Applications allowed by Hans Christian Kaliher took 1,142 days on average from filing to allowance.

Which art unit does examiner Hans Christian Kaliher work in?

Hans Christian Kaliher examines applications in Art Unit 3781 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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