Last updated: July 26, 2026

Application No. 18/756,414

INSTRUCTION TO ACCELERATE HASH-BASED MESSAGE AUTHENTICATION CODE PROCESSING

Non-Final OA

Filed

Jun 27, 2024

Examiner

ULLAH, SHARIF E

Art Unit

2495

Tech Center

2400 — Computer Networks

Assignee

International Business Machines Corporation

OA Round

1 (Non-Final)

Interview Optional

— +21.7% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 84% grant rate with +21.7% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 459 resolved cases, 2023–2026

Examiner Intelligence

ULLAH, SHARIF E View full profile →

Grants 84% — above average

Career Allowance Rate

388 granted / 459 resolved

+26.5% vs TC avg

Strong +22% interview lift

Without

With

+21.7%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

23 currently pending

Career history

481

Total Applications

across all art units

Statute-Specific Performance

§101

21.8%

-18.2% vs TC avg

§103

24.0%

-16.0% vs TC avg

§102

16.9%

-23.1% vs TC avg

§112

21.1%

-18.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 459 resolved cases

Prosecution Timeline

Jun 27, 2024

Application Filed

Apr 29, 2026

Non-Final Rejection mailed

Jul 08, 2026

Applicant Interview (Telephonic)

Jul 10, 2026

Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

18/374,615

Patent 12684016

TRANSPORT LAYER SECURITY STACK FOR RESOURCE CONSTRAINED DEVICES

2y 9m to grant Granted Jul 14, 2026

18/660,989

Patent 12640918

Decision Engine Consistency Verification System

2y 0m to grant Granted May 26, 2026

18/548,776

Patent 12627465

ATTRIBUTE BASED ENCRYPTION WITH BOUNDED COLLUSION RESISTANCE

2y 8m to grant Granted May 12, 2026

18/578,146

Patent 12621133

SYSTEM AND METHOD FOR QUANTUM-SECURE MICROGRIDS

2y 3m to grant Granted May 05, 2026

18/146,281

Patent 12602518

INTEGRATING A DOCUMENT SIGNATURE SYSTEM WITH AN ACCOUNT MANAGEMENT SYSTEM

3y 3m to grant Granted Apr 14, 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

84%

Grant Probability

99%

With Interview (+21.7%)

2y 6m (~5m remaining)

Median Time to Grant

Low

PTA Risk

Based on 459 resolved cases by this examiner. Grant probability derived from career allowance rate.