Last updated: July 17, 2026

Application No. 18/493,903

TONER AND TWO-COMPONENT DEVELOPER

Non-Final OA

Filed

Oct 25, 2023

Priority

Apr 28, 2021 — JP 2021-076193 +2 more

Examiner

SEILER, GRANT STEVEN

Art Unit

1734

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Canon Inc.

OA Round

1 (Non-Final)

Interview Optional

— -27.5% interview lift. Interview lift (-27.5%) is below the 15.0% threshold. A written response is recommended.

Based on 26 resolved cases, 2023–2026

Examiner Intelligence

SEILER, GRANT STEVEN View full profile →

Grants 58% of resolved cases

Career Allowance Rate

15 granted / 26 resolved

-7.3% vs TC avg

Minimal -28% lift

Without

With

+-27.5%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

26 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

94.8%

+54.8% vs TC avg

§102

3.1%

-36.9% vs TC avg

§112

1.1%

-38.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 26 resolved cases

Prosecution Timeline

Oct 25, 2023

Application Filed

May 14, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/808,807

Patent 12663734

TONER

4y 0m to grant Granted Jun 23, 2026

17/953,655

Patent 12656700

Toner, Toner Cartridge, and Image-Forming Device

3y 8m to grant Granted Jun 16, 2026

18/046,590

Patent 12645162

TONER

3y 7m to grant Granted Jun 02, 2026

18/334,709

Patent 12631980

YELLOW TONER

2y 11m to grant Granted May 19, 2026

18/321,312

Patent 12607950

TONER

2y 11m to grant Granted Apr 21, 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

58%

Grant Probability

30%

With Interview (-27.5%)

3y 4m (~8m remaining)

Median Time to Grant

Low

PTA Risk

Based on 26 resolved cases by this examiner. Grant probability derived from career allowance rate.

TONER AND TWO-COMPONENT DEVELOPER

Interview Optional

Examiner Intelligence

Statute-Specific Performance

Prosecution Timeline

Precedent Cases

Applications granted by this same examiner with similar technology

Strategy Recommendation AI-generated — please review before filing

Prosecution Projections

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