Last updated: May 29, 2026

Application No. 18/323,919

PRIVACY-PRESERVING CLUSTERING METHODS AND APPARATUSES

Non-Final OA

Filed

May 25, 2023

Priority

May 25, 2022 — CN 202210574168.8

Examiner

STRAUB, D'ARCY WINSTON

Art Unit

2491

Tech Center

2400 — Computer Networks

Assignee

Alipay (Hangzhou) Information Technology Co., Ltd.

OA Round

2 (Non-Final)

Interview Optional

— +18.8% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 78% grant rate with +18.8% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 223 resolved cases, 2023–2026

Examiner Intelligence

STRAUB, D'ARCY WINSTON View full profile →

Grants 78% — above average

Career Allowance Rate

173 granted / 223 resolved

+19.6% vs TC avg

Strong +19% interview lift

Without

With

+18.8%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

20 currently pending

Career history

248

Total Applications

across all art units

Statute-Specific Performance

§101

2.0%

-38.0% vs TC avg

§103

91.5%

+51.5% vs TC avg

§102

2.4%

-37.6% vs TC avg

§112

3.2%

-36.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 223 resolved cases

Prosecution Timeline

Show 2 earlier events

May 06, 2025

Examiner Interview Summary

May 06, 2025

Applicant Interview (Telephonic)

Jun 16, 2025

Response Filed

Sep 04, 2025

Final Rejection mailed

Nov 10, 2025

Response after Non-Final Action

Dec 03, 2025

Request for Continued Examination

Dec 15, 2025

Response after Non-Final Action

Mar 06, 2026

Examiner Interview (Telephonic)

Precedent Cases

Applications granted by this same examiner with similar technology

18/455,301

Patent 12619772

SENSITIVE INFORMATION DISCLOSURE PREDICTION SYSTEM FOR SOCIAL MEDIA USERS AND METHOD THEREOF

2y 8m to grant Granted May 05, 2026

18/490,914

Patent 12619755

ARTIFICIAL DATA GENERATION FOR DIFFERENTIAL PRIVACY

2y 6m to grant Granted May 05, 2026

18/217,381

Patent 12591706

PROACTIVE DATA SECURITY USING FILE ACCESS PERMISSIONS

2y 9m to grant Granted Mar 31, 2026

18/347,029

Patent 12579304

PURPOSE-BASED PROCESSING BY PURPOSE-ACTION ASSOCIATION

2y 8m to grant Granted Mar 17, 2026

18/363,249

Patent 12566886

DYNAMIC PROGRAMMING SOLUTION FOR PRIVACY PROTECTION EVALUATION

2y 7m to grant Granted Mar 03, 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

2-3

Expected OA Rounds

78%

Grant Probability

96%

With Interview (+18.8%)

2y 11m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 223 resolved cases by this examiner. Grant probability derived from career allowance rate.