Last updated: July 17, 2026

Application No. 18/891,290

OPTICAL COMMUNICATION SYSTEM AND FIRST NODE

Non-Final OA

Filed

Sep 20, 2024

Priority

Mar 21, 2022 — CN 202210275920.9 +1 more

Examiner

WANG, QUAN ZHEN

Art Unit

Tech Center

Assignee

Huawei Technologies Co., Ltd.

OA Round

1 (Non-Final)

This examiner grants 51% of cases after interview

— +24.2% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 199 resolved cases, 2023–2026

Examiner Intelligence

WANG, QUAN ZHEN View full profile →

Grants 51% of resolved cases

Career Allowance Rate

101 granted / 199 resolved

-9.2% vs TC avg

Strong +24% interview lift

Without

With

+24.2%

Interview Lift

resolved cases with interview

Typical timeline

3y 6m

Avg Prosecution

9 currently pending

Career history

202

Total Applications

across all art units

Statute-Specific Performance

§101

2.3%

-37.7% vs TC avg

§103

75.2%

+35.2% vs TC avg

§102

8.4%

-31.6% vs TC avg

§112

8.9%

-31.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 199 resolved cases

Prosecution Timeline

Sep 20, 2024

Application Filed

Jun 02, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/071,389

Patent 12682731

INTERACTIVE SYSTEMS AND METHODS WITH FEEDBACK DEVICES

5y 9m to grant Granted Jul 14, 2026

18/293,440

Patent 12674390

ACOUSTIC RECEIVER

2y 5m to grant Granted Jul 07, 2026

18/702,664

Patent 12640711

SAMPLING RATE CONVERTER, SAMPLING RATE CONVERSION METHOD, AND COMMUNICATION SYSTEM

2y 1m to grant Granted May 26, 2026

18/280,179

Patent 12587277

LOCATING DISTURBANCES IN OPTICAL FIBRES

2y 6m to grant Granted Mar 24, 2026

18/290,856

Patent 12580661

Communication Network Optical Apparatus and Method of Providing an Optical Signal

2y 1m to grant Granted Mar 17, 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

51%

Grant Probability

75%

With Interview (+24.2%)

3y 6m (~1y 9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 199 resolved cases by this examiner. Grant probability derived from career allowance rate.