Last updated: July 17, 2026

Application No. 17/946,955

SILICON PHOTONIC MULTIPLEXER AND DE-MULTIPLEXER

Final Rejection

Filed

Sep 16, 2022

Examiner

LE, UYEN CHAU N

Art Unit

2800

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Avago Technologies International Sales Pte. Limited

OA Round

4 (Final)

Interview Optional

— +0.8% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 25% grant rate with +0.8% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 36 resolved cases, 2023–2026

Examiner Intelligence

LE, UYEN CHAU N View full profile →

Grants only 25% of cases

Career Allowance Rate

9 granted / 36 resolved

-43.0% vs TC avg

Minimal +1% lift

Without

With

+0.8%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

28 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

84.0%

+44.0% vs TC avg

§102

8.7%

-31.3% vs TC avg

§112

4.0%

-36.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 36 resolved cases

Prosecution Timeline

Show 3 earlier events

Jan 07, 2025

Final Rejection mailed

Apr 01, 2025

Applicant Interview (Telephonic)

Apr 02, 2025

Request for Continued Examination

Apr 02, 2025

Examiner Interview Summary

Apr 04, 2025

Response after Non-Final Action

Apr 17, 2025

Non-Final Rejection mailed

Jul 17, 2025

Response Filed

Jun 05, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/754,843

Patent 12638634

ARCHITECTURE FOR ELECTROMAGNETIC WAVEGUIDE

4y 1m to grant Granted May 26, 2026

17/972,341

Patent 12631834

OPTICAL TRANSMISSION DEVICE AND COUPLING METHOD THEREOF

3y 6m to grant Granted May 19, 2026

18/099,274

Patent 12601877

MULTIPURPOSE FIBER-OPTIC CONNECTOR AND FIBER-OPTIC ADAPTER

3y 2m to grant Granted Apr 14, 2026

18/574,494

Patent 12601883

OPTICAL FIBER RIBBON AND SLOTLESS OPTICAL CABLE

2y 3m to grant Granted Apr 14, 2026

18/173,088

Patent 12468162

VIRTUAL IMAGE DISPLAY

2y 8m to grant Granted Nov 11, 2025

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

5-6

Expected OA Rounds

25%

Grant Probability

26%

With Interview (+0.8%)

3y 1m (~0m remaining)

Median Time to Grant

High

PTA Risk

Based on 36 resolved cases by this examiner. Grant probability derived from career allowance rate.