Last updated: July 17, 2026

Application No. 18/417,261

ACTIVE OXYGEN SUPPLY DEVICE AND METHOD FOR TREATMENT WITH ACTIVE OXYGEN

Non-Final OA

Filed

Jan 19, 2024

Priority

Jul 30, 2021 — JP 2021-126238 +2 more

Examiner

LEE, AHAM NMN

Art Unit

1758

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Canon Inc.

OA Round

1 (Non-Final)

This examiner grants 41% of cases after interview

— +66.7% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 34 resolved cases, 2023–2026

Examiner Intelligence

LEE, AHAM NMN View full profile →

Grants 41% of resolved cases

Career Allowance Rate

14 granted / 34 resolved

-23.8% vs TC avg

Strong +67% interview lift

Without

With

+66.7%

Interview Lift

resolved cases with interview

Typical timeline

3y 7m

Avg Prosecution

46 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

88.2%

+48.2% vs TC avg

§102

3.5%

-36.5% vs TC avg

§112

4.4%

-35.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 34 resolved cases

Prosecution Timeline

Jan 19, 2024

Application Filed

Apr 02, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/056,014

Patent 12636391

FOGGING DEVICE WITH DIFFERENT OPERATIONAL MODES FOR FOGGING ACCESSORIES AND RELATED METHODS

3y 6m to grant Granted May 26, 2026

17/921,080

Patent 12599689

SYSTEMS AND METHODS FOR STERILIZING GAMING EQUIPMENT

3y 5m to grant Granted Apr 14, 2026

17/515,306

Patent 12576174

DUAL POLAR AIR AND SURFACE PURIFICATION SYSTEM AND METHOD WITH PASSENGER INTERFACE APPLICATION

4y 4m to grant Granted Mar 17, 2026

17/736,788

Patent 12539342

Fluid System With Integrated Disinfecting Optics

3y 9m to grant Granted Feb 03, 2026

17/291,348

Patent 12533435

Process for preserving a dispersion in a metering apparatus and metering apparatus

4y 8m to grant Granted Jan 27, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2

Expected OA Rounds

41%

Grant Probability

99%

With Interview (+66.7%)

3y 7m (~1y 1m remaining)

Median Time to Grant

Low

PTA Risk

Based on 34 resolved cases by this examiner. Grant probability derived from career allowance rate.