Last updated: April 24, 2026

Application No. 18/914,027

Untitled Application

Unknown

Filed

3600

Examiner

CHANDRASIRI, UPUL PRIYADARSHAN

Art Unit

3665

Tech Center

INTERNATIONAL BUSINESS MACHINES CORPORATION

Assignee

International Business Machines Corporation

OA Round

1 (Non-Final)

Interview Optional

— -28.6% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 10 resolved cases, 2023–2026

Examiner Intelligence

CHANDRASIRI, UPUL PRIYADARSHAN View full profile →

Grants only 20% of cases

Career Allow Rate

2 granted / 10 resolved

-40.0% vs TC avg

Minimal -29% lift

Without

With

+-28.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 5m

Avg Prosecution

36 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

2.6%

-37.4% vs TC avg

§103

52.5%

+12.5% vs TC avg

§102

19.1%

-20.9% vs TC avg

§112

22.3%

-17.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 10 resolved cases

Prosecution Timeline

3600

Application Filed

Mar 13, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/149,308

Patent 12391240

VEHICLE DRIVING ASSIST DEVICE

2y 5m to grant Granted Aug 19, 2025

18/023,207

Patent 12325421

Method for Holding a Two-Track Motor Vehicle

2y 5m to grant Granted Jun 10, 2025

Study what changed to get past this examiner. Based on 2 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

1-2

Expected OA Rounds

20%

Grant Probability

-9%

With Interview (-28.6%)

2y 5m

Median Time to Grant

Low

PTA Risk

Based on 10 resolved cases by this examiner. Grant probability derived from career allow rate.