Last updated: July 05, 2026

Application No. 18/712,839

ILLUMINATION OPTICAL SYSTEM AND PROJECTION-TYPE DISPLAY APPARATUS

Non-Final OA

Filed

May 23, 2024

Priority

Dec 03, 2021 — JP 2021-197090 +1 more

Examiner

LE, BAO-LUAN Q

Art Unit

2882

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Sony Group Corporation

OA Round

1 (Non-Final)

This examiner grants 52% of cases after interview

— +16.8% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 978 resolved cases, 2023–2026

Examiner Intelligence

LE, BAO-LUAN Q View full profile →

Grants 52% of resolved cases

Career Allowance Rate

513 granted / 978 resolved

-15.5% vs TC avg

Strong +17% interview lift

Without

With

+16.8%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

31 currently pending

Career history

1035

Total Applications

across all art units

Statute-Specific Performance

§103

89.8%

+49.8% vs TC avg

§102

6.5%

-33.5% vs TC avg

§112

2.1%

-37.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 978 resolved cases

Prosecution Timeline

May 23, 2024

Application Filed

Mar 31, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/896,849

Patent 12669744

PROJECTOR WITH IMPROVED ARRANGEMENT OF COOLING MECHANISM

3y 10m to grant Granted Jun 30, 2026

17/297,915

Patent 12656610

NEAR FOCUS CORRECTIVE AR GLASSES

5y 0m to grant Granted Jun 16, 2026

18/177,099

Patent 12659639

DAMPING STRUCTURE AND PROJECTION DEVICE

3y 3m to grant Granted Jun 16, 2026

18/422,205

Patent 12656668

ILLUMINATION APPARATUS AND PROJECTOR

2y 4m to grant Granted Jun 16, 2026

18/135,170

Patent 12650210

CYMATIC PROJECTION SYSTEMS, METHODS AND DEVICES

3y 1m to grant Granted Jun 09, 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

52%

Grant Probability

69%

With Interview (+16.8%)

3y 1m (~11m remaining)

Median Time to Grant

Low

PTA Risk

Based on 978 resolved cases by this examiner. Grant probability derived from career allowance rate.