Last updated: July 17, 2026

Application No. 18/715,333

LABEL-FREE VIRTUAL IMMUNOHISTOCHEMICAL STAINING OF TISSUE USING DEEP LEARNING

Non-Final OA

Filed

May 31, 2024

Priority

Dec 07, 2021 — provisional 63/287,006 +1 more

Examiner

ALLISON, ANDRAE S

Art Unit

2673

Tech Center

2600 — Communications

Assignee

The Regents of the University of California

OA Round

1 (Non-Final)

Interview Optional

— -15.4% interview lift. Interview lift (-15.4%) is below the 15.0% threshold. A written response is recommended.

Based on 954 resolved cases, 2023–2026

Examiner Intelligence

ALLISON, ANDRAE S View full profile →

Grants 84% — above average

Career Allowance Rate

803 granted / 954 resolved

+22.2% vs TC avg

Minimal -15% lift

Without

With

+-15.4%

Interview Lift

resolved cases with interview

Typical timeline

2y 9m

Avg Prosecution

27 currently pending

Career history

980

Total Applications

across all art units

Statute-Specific Performance

§101

4.1%

-35.9% vs TC avg

§103

74.7%

+34.7% vs TC avg

§102

5.1%

-34.9% vs TC avg

§112

8.2%

-31.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 954 resolved cases

Prosecution Timeline

May 31, 2024

Application Filed

Mar 16, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/639,340

Patent 12682669

SYSTEM AND METHOD FOR LABELING 2D ELECTRO-OPTICAL (EO) DATA IN 3D MODEL VIA NEURAL RADIANCE FIELDS AND SIMULATORS

2y 2m to grant Granted Jul 14, 2026

17/965,021

Patent 12670614

SYSTEM AND METHOD OF SIMULTANEOUS LOCALISATION AND MAPPING

3y 8m to grant Granted Jun 30, 2026

18/341,617

Patent 12657435

IMAGE PROCESSING METHOD AND APPARATUS, AND STORAGE MEDIUM

2y 11m to grant Granted Jun 16, 2026

18/635,006

Patent 12657916

MODEL GENERATION METHOD AND MODEL GENERATION SYSTEM

2y 2m to grant Granted Jun 16, 2026

18/028,796

Patent 12651333

QUANTIFICATION OF BARRETT'S OESOPHAGUS

3y 2m to grant Granted Jun 09, 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.

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Prosecution Projections

1-2

Expected OA Rounds

84%

Grant Probability

69%

With Interview (-15.4%)

2y 9m (~7m remaining)

Median Time to Grant

Low

PTA Risk

Based on 954 resolved cases by this examiner. Grant probability derived from career allowance rate.