Prosecution Insights
Last updated: October 27, 2026

Dan F Kalhori, USPTO Patent Examiner

Listed by the USPTO as KALHORI, DAN F

Tech Center 3700 • Art Units: 2618 3715

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-20.0% vs TC avg
31
Total Applications
-33.3%
Interview Lift
886
Avg Prosecution Days
Based on 6 resolved cases, 2023–2026

Rejection Statute Breakdown

11.1%
§101 Eligibility
3.2%
§102 Novelty
76.2%
§103 Obviousness
9.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18723397 VIDEO DISPLAY METHOD AND APPARATUS, AND ELECTRONIC DEVICE Final Rejection Beijing Zitiao Network Technology Co., Ltd.
18725519 DYNAMICALLY MODIFYING RAY CAST INTERSECTION ACCELERATION STRUCTURES Final Rejection GOOGLE LLC
18317153 DISPLAY CONTROL DEVICE, DISPLAY DEVICE, DISPLAY SYSTEM, VEHICLE, DISPLAY CONTROL METHOD, AND NON-TRANSITORY STORAGE MEDIUM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18910241 DISPLAY CONTROL DEVICE, COMPUTING SYSTEM, AND DISPLAY CONTROL METHOD Final Rejection NEC Corporation
18987292 EFFECT EDITING Non-Final OA Lemon Inc.
18627911 METHODS AND COMPUTATIONAL PIPELINE FOR FLIGHT SIMULATOR HOST SIGNAL CALIBRATION Final Rejection ROCKWELL COLLINS, INC.

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Frequently Asked Questions

What is examiner Dan F Kalhori's allowance rate?

50.0% of resolved applications examined by Dan F Kalhori were allowed (6 resolved cases), compared with 57.3% across Art Unit 2618 over the last five years.

Does an interview help with examiner Dan F Kalhori?

This examiner's interview lift is -33.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dan F Kalhori take to allow a patent?

Applications allowed by Dan F Kalhori took 886 days on average from filing to allowance.

Which art unit does examiner Dan F Kalhori work in?

Dan F Kalhori examines applications in Art Unit 2618 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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