Last updated: July 17, 2026

Application No. 18/842,590

SEPARATION SYSTEM

Non-Final OA

Filed

Aug 29, 2024

Priority

Mar 01, 2022 — nonprovisional of PCTJP2022008625

Examiner

SHAMEEM, ASIF ISLAM

Art Unit

Tech Center

Assignee

Nippon Telegraph and Telephone Corporation

OA Round

1 (Non-Final)

Interview Optional

— +17.6% interview lift. Examiner has a relatively high allowance rate (85%); +17.6% interview lift. A written response may suffice.

Based on 20 resolved cases, 2023–2026

Examiner Intelligence

SHAMEEM, ASIF ISLAM View full profile →

Grants 85% — above average

Career Allowance Rate

17 granted / 20 resolved

+25.0% vs TC avg

Strong +18% interview lift

Without

With

+17.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 5m

Avg Prosecution

15 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

76.7%

+36.7% vs TC avg

§102

3.3%

-36.7% vs TC avg

§112

16.7%

-23.3% vs TC avg

Black line = Tech Center average estimate • Based on career data from 20 resolved cases

Prosecution Timeline

Aug 29, 2024

Application Filed

May 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/132,946

Patent 12665670

OPTICAL COMMUNICATION LINK WITH REMOTE OPTICALLY PUMPED AMPLIFIER

3y 2m to grant Granted Jun 23, 2026

18/368,577

Patent 12665693

RECONFIGURABLE OPTICAL ADD AND DROP MULTIPLEXER SYSTEM WITH INTEGRATED WAVELENGTH SELECTIVE SWITCH ARRAY

2y 9m to grant Granted Jun 23, 2026

18/412,077

Patent 12665692

OPTICAL ADD DROP MULTIPLEXERS WITH ASYMMETRICAL FILTERING

2y 5m to grant Granted Jun 23, 2026

18/285,625

Patent 12659065

OPTICAL ACCESS SYSTEM AND MONITORING METHOD

2y 8m to grant Granted Jun 16, 2026

18/366,519

Patent 12634007

OPTICAL NETWORK TEST INSTRUMENT INCLUDING TESTING FOR OPTICAL NETWORK UNIT AND OPTICAL LINE TERMINAL ASSIGNMENT

2y 9m to grant Granted May 19, 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

85%

Grant Probability

99%

With Interview (+17.6%)

2y 5m (~6m remaining)

Median Time to Grant

Low

PTA Risk

Based on 20 resolved cases by this examiner. Grant probability derived from career allowance rate.