Last updated: April 24, 2026

Application No. 18/821,481

Untitled Application

Unknown

Filed

2400

Examiner

WORKU, SARON MATTHEWOS

Art Unit

2408

Tech Center

International Business Machines Corporation

Assignee

International Business Machines Corporation

OA Round

1 (Non-Final)

Interview Optional

— +55.0% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 19 resolved cases, 2023–2026

Examiner Intelligence

WORKU, SARON MATTHEWOS View full profile →

Grants 68% — above average

Career Allow Rate

13 granted / 19 resolved

+8.4% vs TC avg

Strong +55% interview lift

Without

With

+55.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

29 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

2.7%

-37.3% vs TC avg

§103

47.8%

+7.8% vs TC avg

§102

36.3%

-3.7% vs TC avg

§112

10.2%

-29.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 19 resolved cases

Prosecution Timeline

2400

Application Filed

Jan 06, 2026

Non-Final Rejection

Mar 25, 2026

Interview Requested

Precedent Cases

Applications granted by this same examiner with similar technology

18/160,367

Patent 12547939

SYSTEM AND A METHOD FOR PERFORMING A PRIVACY-PRESERVING DISTRIBUTION SIMILARITY TESTS BETWEEN A PLURALITY OF DATASETS

2y 5m to grant Granted Feb 10, 2026

18/139,422

Patent 12524579

SRAM PHYSICALLY UNCLONABLE FUNCTION (PUF) MEMORY FOR GENERATING KEYS BASED ON DEVICE OWNER

2y 5m to grant Granted Jan 13, 2026

18/416,228

Patent 12513013

Dynamic Cross-Node Multidimensional Hashchain Network-Based Meta-Content Enabler for Real-Time Content Based Anomaly Detection

2y 5m to grant Granted Dec 30, 2025

17/820,744

Patent 12475240

PROTECTED CONTENT CONTAMINATION PREVENTION

2y 5m to grant Granted Nov 18, 2025

18/090,053

Patent 12470519

INTRA-VLAN TRAFFIC FILTERING IN A DISTRIBUTED WIRELESS NETWORK

2y 5m to grant Granted Nov 11, 2025

Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

1-2

Expected OA Rounds

68%

Grant Probability

99%

With Interview (+55.0%)

2y 7m

Median Time to Grant

Low

PTA Risk

Based on 19 resolved cases by this examiner. Grant probability derived from career allow rate.