Last updated: July 05, 2026

Application No. 18/873,622

SIGNATURE SYSTEM, TERMINAL, EXISTENCE CONFIRMATION METHOD, AND PROGRAM

Non-Final OA

Filed

Dec 10, 2024

Priority

Jun 14, 2022 — nonprovisional of PCTJP2022023864

Examiner

WICKRAMASURIYA, SAMEERA

Art Unit

2494

Tech Center

2400 — Computer Networks

Assignee

Nippon Telegraph and Telephone Corporation

OA Round

1 (Non-Final)

Interview Optional

— +34.5% interview lift. Examiner has a relatively high allowance rate (76%); +34.5% interview lift. A written response may suffice.

Based on 180 resolved cases, 2023–2026

Examiner Intelligence

WICKRAMASURIYA, SAMEERA View full profile →

Grants 76% — above average

Career Allowance Rate

137 granted / 180 resolved

+18.1% vs TC avg

Strong +34% interview lift

Without

With

+34.5%

Interview Lift

resolved cases with interview

Typical timeline

2y 9m

Avg Prosecution

9 currently pending

Career history

189

Total Applications

across all art units

Statute-Specific Performance

§101

1.4%

-38.6% vs TC avg

§103

87.2%

+47.2% vs TC avg

§102

4.5%

-35.5% vs TC avg

§112

5.7%

-34.3% vs TC avg

Black line = Tech Center average estimate • Based on career data from 180 resolved cases

Prosecution Timeline

Dec 10, 2024

Application Filed

Apr 01, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/308,857

Patent 12671705

SELECTING POLICIES TO APPLY TO NETWORK TRAFFIC FLOWS BASED ON PERCEPTION SCORES

3y 2m to grant Granted Jun 30, 2026

18/229,015

Patent 12652316

ADJUSTMENT OF ACCESS PERMISSIONS OF USER DEVICES BASED ON CREATED ACCESS POLICIES

2y 10m to grant Granted Jun 09, 2026

17/943,942

Patent 12647426

Nested Access Privilege Check for Multi-Tenant Organizations

3y 8m to grant Granted Jun 02, 2026

18/988,175

Patent 12640931

METHODS FOR GRINDING-RESISTANT CONSENSUS IN A PROOF-OF-SPACE-BASED BLOCKCHAIN

1y 5m to grant Granted May 26, 2026

18/364,600

Patent 12627671

Shared Risk Assessment and Clustering for Industrial IOT Applications

2y 9m to grant Granted May 12, 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

76%

Grant Probability

99%

With Interview (+34.5%)

2y 9m (~1y 2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 180 resolved cases by this examiner. Grant probability derived from career allowance rate.