Last updated: July 15, 2026

Application No. 18/721,550

OPTICAL COMMUNICATION CONTROL DEVICE, RECEIVER DEVICE, COMMUNICATION SYSTEM, AND CONTROL METHOD

Non-Final OA

Filed

Jun 18, 2024

Priority

Dec 21, 2021 — nonprovisional of PCTJP2021047169

Examiner

PHAN, HANH

Art Unit

2634

Tech Center

2600 — Communications

Assignee

Nippon Telegraph and Telephone Corporation

OA Round

1 (Non-Final)

Interview Optional

— +6.6% interview lift. Interview lift (+6.6%) is below the 15.0% threshold. A written response is recommended.

Based on 1152 resolved cases, 2023–2026

Examiner Intelligence

PHAN, HANH View full profile →

Grants 89% — above average

Career Allowance Rate

1022 granted / 1152 resolved

+26.7% vs TC avg

Moderate +7% lift

Without

With

+6.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 3m

Avg Prosecution

19 currently pending

Career history

1164

Total Applications

across all art units

Statute-Specific Performance

§101

1.5%

-38.5% vs TC avg

§103

58.5%

+18.5% vs TC avg

§102

22.7%

-17.3% vs TC avg

§112

3.8%

-36.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1152 resolved cases

Prosecution Timeline

Jun 18, 2024

Application Filed

Apr 08, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/390,663

Patent 12676669

Shared OTDR Resource

2y 6m to grant Granted Jul 07, 2026

19/294,898

Patent 12659049

QUANTUM TRANSCEIVER ANTENNA AND METHOD FOR CONSTRUCTION

10m to grant Granted Jun 16, 2026

18/539,808

Patent 12652105

ESTIMATION APPARATUS

2y 5m to grant Granted Jun 09, 2026

18/218,005

Patent 12648070

LIGHTING APPARATUS

2y 11m to grant Granted Jun 02, 2026

18/483,829

Patent 12647705

PON out-of-band signaling

2y 7m to grant Granted Jun 02, 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.

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Prosecution Projections

1-2

Expected OA Rounds

89%

Grant Probability

95%

With Interview (+6.6%)

2y 3m (~2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1152 resolved cases by this examiner. Grant probability derived from career allowance rate.