Last updated: April 24, 2026

Application No. 19/303,588

Untitled Application

Unknown

Filed

2800

Examiner

CATTANACH, COLIN J

Art Unit

2875

Tech Center

METREX RESEARCH, LLC

Assignee

Metrex Research, LLC

OA Round

1 (Non-Final)

This examiner grants 59% of cases after interview

— +19.4% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 548 resolved cases, 2023–2026

Examiner Intelligence

CATTANACH, COLIN J View full profile →

Grants 59% of resolved cases

Career Allow Rate

322 granted / 548 resolved

-1.2% vs TC avg

Strong +19% interview lift

Without

With

+19.4%

Interview Lift

resolved cases with interview

Fast prosecutor

2y 1m

Avg Prosecution

28 currently pending

Career history

576

Total Applications

across all art units

Statute-Specific Performance

§103

50.4%

+10.4% vs TC avg

§102

26.5%

-13.5% vs TC avg

§112

18.1%

-21.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 548 resolved cases

Prosecution Timeline

2800

Application Filed

Jan 23, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

19/102,452

Patent 12601456

HEADLAMP HAVING A VERTICAL CUT-OFF AND EXTENSION FOR A MOTOR VEHICLE

2y 5m to grant Granted Apr 14, 2026

18/899,483

Patent 12584618

FLASHLIGHT GRIP

2y 5m to grant Granted Mar 24, 2026

19/013,995

Patent 12578084

Roof-Mounted Emergency Beacon

2y 5m to grant Granted Mar 17, 2026

18/875,689

Patent 12571520

AN INSERT FOR A LIGHT EMITTING DEVICE

2y 5m to grant Granted Mar 10, 2026

17/671,025

Patent 12546456

Light Emitting Device, Display Device, And Lighting Device

2y 5m to grant Granted Feb 10, 2026

Study what changed to get past this examiner. Based on 5 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

59%

Grant Probability

78%

With Interview (+19.4%)

2y 1m

Median Time to Grant

Low

PTA Risk

Based on 548 resolved cases by this examiner. Grant probability derived from career allow rate.