Prosecution Insights
Last updated: October 27, 2026

Oluwatosin Oluwatuminin Diyan, USPTO Patent Examiner

Listed by the USPTO as DIYAN, OLUWATOSIN OLUWATUMININ

Tech Center 3600 • Art Units: 1700 1747 1748 1755 3619

This examiner grants 27% of resolved cases

Analysis

DIYAN, OLUWATOSIN OLUWATUMININ is assigned to Tech Center 3600 and Art Unit 1700. The profile covers 11 resolved cases, a 27.3% allowance rate, and a median of 1151 days to allowance. The 54.2% interview lift is a prominent feature, indicating a strong association between interviews and improved allowance outcomes in this limited record.

Representative companies include KT&G Corporation, Nicoventures Trading Limited, and Shenzhen Smoore Technology Limited. The listed firms are FOLEY & LARDNER LLP, SUGHRUE MION, PLLC, and LEYDIG VOIT & MAYER, LTD. The very small case volume calls for caution, but interview preparation may merit particular attention.

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

Performance Statistics

27.3%
Allow Rate
-24.7% vs TC avg
74
Total Applications
+54.2%
Interview Lift
1151
Avg Prosecution Days
Based on 11 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
16.0%
§102 Novelty
65.3%
§103 Obviousness
16.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18722664 CARTOMISER Non-Final OA NICOVENTURES TRADING LIMITED
18293891 AEROSOL-GENERATING MATERIAL COMPRISING CHITOSAN AND AN ADDITIONAL BINDER Non-Final OA Nicoventures Trading Limited
18550495 A COMPONENT FOR AN ARTICLE FOR USE IN AN AEROSOL PROVISION SYSTEM Final Rejection Nicoventures Trading Limited
18040727 AEROSOL PROVISION DEVICE Non-Final OA Nicoventures Trading Limited
18002989 APPARATUS FOR HEATING AERSOLISABLE MATERIAL Final Rejection NICOVENTURES TRADING LIMITED
17997432 AEROSOL GENERATING MATERIAL Non-Final OA Nicoventures Trading Limited
17947436 HEAT-NOT-BURN (HNB) AEROSOL-GENERATING DEVICES AND CAPSULES Final Rejection Altria Client Services LLC
18727846 MEASUREMENT DEVICE AND PROCESS FOR AN AEROSOL GENERATING DEVICE LIFECYCLE TESTING ARRANGEMENT Non-Final OA PHILIP MORRIS PRODUCTS S.A.
18546033 AEROSOL-GENERATING DEVICE WITH COMPARTMENT WALL Final Rejection Philip Morris Products S.A.
18743468 AEROSOL GENERATING DEVICE AND CONTROLLING METHOD THEREOF Non-Final OA KT&G CORPORATION
18667213 AEROSOL-GENERATING DEVICE Non-Final OA KT&G CORPORATION
18290878 AEROSOL GENERATING DEVICE Final Rejection KT&G CORPORATION
18413200 AEROSOL GENERATING DEVICE AND METHOD OF CONTROLLING THE SAME Final Rejection KT&G CORPORATION
18398904 HEATER ASSEMBLY FOR AEROSOL GENERATING DEVICE AND AEROSOL GENERATING DEVICE INCLUDING THE SAME Non-Final OA KT&G CORPORATION
18567958 AEROSOL GENERATING DEVICE WITH DRIVING CIRCUIT MATCHING THE IMPEDANCE OF ULTRASONIC VIBRATOR Non-Final OA KT&G CORPORATION
18284264 AEROSOL-GENERATING ARTICLE Non-Final OA KT&G CORPORATION
18009280 MULTI-CARTRIDGE AND AEROSOL GENERATION DEVICE INCLUDING THE SAME Final Rejection KT&G CORPORATION
17789879 AEROSOL GENERATING DEVICE BASED ON ULTRASOUND VIBRATION AND METHOD THEREOF Final Rejection KT&G CORPORATION
18009130 AEROSOL GENERATING APPARATUS HAVING A PLURALITY OF CARTRIDGES Final Rejection KT&G CORPORATION
18008811 AEROSOL GENERATING APPARATUS INCLUDING A PLURALITY OF HEATERS AND AEROSOL GENERATING ARTICLE USED TOGETHER THEREWITH Non-Final OA KT&G CORPORATION
18350689 VAPORIZER AND ELECTRONIC VAPORIZATION APPARATUS Non-Final OA SHENZHEN SMOORE TECHNOLOGY LIMITED
18173318 ELECTRONIC ATOMIZING DEVICE Final Rejection SHENZHEN SMOORE TECHNOLOGY LIMITED
18164687 ATOMIZATION HEATING CONTROL METHOD AND DEVICE, AEROSOL GENERATING DEVICE AND STORAGE MEDIUM Final Rejection SHENZHEN SMOORE TECHNOLOGY LIMITED
17934022 METHOD FOR MANUFACTURING VAPORIZER, VAPORIZER, AND ELECTRONIC VAPORIZATION DEVICE Final Rejection SHENZHEN SMOORE TECHNOLOGY LIMITED
18664619 CIRCUIT UNIT FOR AEROSOL GENERATION DEVICE, AEROSOL GENERATION DEVICE, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM Non-Final OA Japan Tobacco Inc.
18530324 POWER SUPPLY UNIT OF AEROSOL GENERATION APPARATUS Non-Final OA Japan Tobacco Inc.
18070480 POWER SUPPLY UNIT OF AEROSOL GENERATING DEVICE Final Rejection Japan Tobacco Inc.
17679852 SMOKING SUBSTITUTE DEVICE AND CONTROL METHOD Non-Final OA Imperial Tobacco Limited

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Frequently Asked Questions

What is examiner Oluwatosin Oluwatuminin Diyan's allowance rate?

27.3% of resolved applications examined by Oluwatosin Oluwatuminin Diyan were allowed (11 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Oluwatosin Oluwatuminin Diyan?

This examiner's interview lift is +54.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Oluwatosin Oluwatuminin Diyan take to allow a patent?

Applications allowed by Oluwatosin Oluwatuminin Diyan took 1,151 days on average from filing to allowance.

Which art unit does examiner Oluwatosin Oluwatuminin Diyan work in?

Oluwatosin Oluwatuminin Diyan examines applications in Art Unit 1700 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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