Last updated: July 05, 2026

Application No. 18/746,970

WAVEGUIDES INCLUDING A BLUE WAVEGUIDE FILM

Non-Final OA

Filed

Jun 18, 2024

Priority

Jun 22, 2023 — provisional 63/522,659

Examiner

SANZ, GABRIEL A

Art Unit

2872

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Google LLC

OA Round

1 (Non-Final)

This examiner grants 61% of cases after interview

— +40.3% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 138 resolved cases, 2023–2026

Examiner Intelligence

SANZ, GABRIEL A View full profile →

Grants 61% of resolved cases

Career Allowance Rate

84 granted / 138 resolved

-7.1% vs TC avg

Strong +40% interview lift

Without

With

+40.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

17 currently pending

Career history

172

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

90.3%

+50.3% vs TC avg

§102

9.5%

-30.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 138 resolved cases

Prosecution Timeline

Jun 18, 2024

Application Filed

Mar 30, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/760,489

Patent 12668034

CONCEALING NON-OPTICALLY TRANSPARENT COMPONENTS OF OPTICAL ARTICLES

3y 10m to grant Granted Jun 30, 2026

17/793,340

Patent 12661269

WELDING INFORMATION PROVIDING APPARATUS

3y 11m to grant Granted Jun 23, 2026

17/947,572

Patent 12663565

DISPLAY DEVICE

3y 9m to grant Granted Jun 23, 2026

17/982,035

Patent 12650595

SMART GLASSES, GLASSES CASE, AND GLASSES ASSEMBLY

3y 7m to grant Granted Jun 09, 2026

18/451,054

Patent 12638677

HEAD-UP DISPLAY SYSTEM

2y 9m to grant Granted May 26, 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

61%

Grant Probability

99%

With Interview (+40.3%)

3y 4m (~1y 3m remaining)

Median Time to Grant

Low

PTA Risk

Based on 138 resolved cases by this examiner. Grant probability derived from career allowance rate.