Last updated: July 17, 2026

Application No. 19/111,200

TIME-EFFICIENT IMPLEMENTATION OF CACHE REPLACEMENT POLICY

Non-Final OA

Filed

Mar 12, 2025

Priority

Sep 12, 2022 — nonprovisional of PCTUS2022076285

Examiner

CHAN, TRACY C

Art Unit

2138

Tech Center

2100 — Computer Architecture & Software

Assignee

Google LLC

OA Round

1 (Non-Final)

Interview Optional

— -0.3% interview lift. Interview lift (-0.3%) is below the 15.0% threshold. A written response is recommended.

Based on 361 resolved cases, 2023–2026

Examiner Intelligence

CHAN, TRACY C View full profile →

Grants 79% — above average

Career Allowance Rate

285 granted / 361 resolved

+23.9% vs TC avg

Minimal -0% lift

Without

With

+-0.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

14 currently pending

Career history

380

Total Applications

across all art units

Statute-Specific Performance

§101

1.5%

-38.5% vs TC avg

§103

74.1%

+34.1% vs TC avg

§102

4.0%

-36.0% vs TC avg

§112

3.2%

-36.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 361 resolved cases

Prosecution Timeline

Mar 12, 2025

Application Filed

Apr 08, 2026

Non-Final Rejection mailed

Jul 07, 2026

Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

18/609,664

Patent 12681863

CACHE PROCESSING REQUEST FOR DATA STORED IN STACK AREA BY USING USELESS INFORMATION, OPERATING METHOD OF CACHE, AND ELECTRONIC DEVICE COMPRISING CACHE

2y 3m to grant Granted Jul 14, 2026

18/669,267

Patent 12670094

HYBRID-TYPE CACHE MECHANISM

2y 1m to grant Granted Jun 30, 2026

18/783,598

Patent 12645587

STORAGE CONTROLLER, OPERATING METHOD OF THE STORAGE CONTROLLER, AND OPERATING METHOD OF STORAGE DEVICE

1y 10m to grant Granted Jun 02, 2026

18/469,653

Patent 12632413

DIRECTORY STRUCTURE FOR A DISTRIBUTED STORAGE SYSTEM

2y 8m to grant Granted May 19, 2026

18/770,314

Patent 12632388

METHOD, APPARATUS, DEVICE, AND MEDIUM FOR CACHING A PROGRAM OBJECT

1y 10m to grant Granted May 19, 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

79%

Grant Probability

79%

With Interview (-0.3%)

2y 6m (~1y 2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 361 resolved cases by this examiner. Grant probability derived from career allowance rate.