Last updated: July 17, 2026

Application No. 18/720,252

OPTICAL WAVEGUIDE WITH MULTIPLE OPTICAL PATHS

Non-Final OA

Filed

Jun 14, 2024

Priority

Dec 16, 2021 — provisional 63/290,114 +1 more

Examiner

GROSS, ALEXANDER P

Art Unit

2871

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Google LLC

OA Round

1 (Non-Final)

This examiner grants 59% of cases after interview

— +20.2% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 557 resolved cases, 2023–2026

Examiner Intelligence

GROSS, ALEXANDER P View full profile →

Grants 59% of resolved cases

Career Allowance Rate

327 granted / 557 resolved

-9.3% vs TC avg

Strong +20% interview lift

Without

With

+20.2%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

18 currently pending

Career history

578

Total Applications

across all art units

Statute-Specific Performance

§101

0.3%

-39.7% vs TC avg

§103

91.3%

+51.3% vs TC avg

§102

5.1%

-34.9% vs TC avg

§112

2.6%

-37.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 557 resolved cases

Prosecution Timeline

Jun 14, 2024

Application Filed

Mar 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/247,318

Patent 12681346

OPTICAL DISPLAY DEVICE MODULE AND OPTICAL DISPLAY DEVICE COMPRISING SAME

3y 3m to grant Granted Jul 14, 2026

17/758,019

Patent 12663679

ARRAY SUBSTRATE AND TOTAL REFLECTION LIQUID CRYSTAL DISPLAY PANEL

3y 12m to grant Granted Jun 23, 2026

17/901,186

Patent 12650579

METHOD TO DESIGN ULTRA-WIDE ANGLE MINIATURE LENS

3y 9m to grant Granted Jun 09, 2026

18/466,252

Patent 12650635

CAMERA MODULE WITH REFLECTION MODULE

2y 9m to grant Granted Jun 09, 2026

18/645,387

Patent 12650628

ELECTRO-OPTIC APPARATUS AND ELECTRONIC EQUIPMENT

2y 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

59%

Grant Probability

79%

With Interview (+20.2%)

2y 7m (~6m remaining)

Median Time to Grant

Low

PTA Risk

Based on 557 resolved cases by this examiner. Grant probability derived from career allowance rate.