Last updated: April 24, 2026

Application No. 19/298,135

Untitled Application

Unknown

Filed

1600

Examiner

DAHLE, CHUN WU

Art Unit

1641

Tech Center

Xencor, Inc.

Assignee

Xencor, Inc.

OA Round

1 (Non-Final)

This examiner grants 50% of cases after interview

— +51.7% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 646 resolved cases, 2023–2026

Examiner Intelligence

DAHLE, CHUN WU View full profile →

Grants 50% of resolved cases

Career Allow Rate

322 granted / 646 resolved

-10.2% vs TC avg

Strong +52% interview lift

Without

With

+51.7%

Interview Lift

resolved cases with interview

Typical timeline

4y 1m

Avg Prosecution

39 currently pending

Career history

685

Total Applications

across all art units

Statute-Specific Performance

§101

0.7%

-39.3% vs TC avg

§103

26.1%

-13.9% vs TC avg

§102

16.1%

-23.9% vs TC avg

§112

11.9%

-28.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 646 resolved cases

Prosecution Timeline

1600

Application Filed

Nov 20, 2025

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/452,028

Patent 12570756

METHODS OF USE OF ANTI-CD45 ANTIBODIES AND CONJUGATES THEREOF

2y 5m to grant Granted Mar 10, 2026

18/020,180

Patent 12570727

Antibodies Specifically Recognizing Pseudomonas Psl and Uses Thereof

2y 5m to grant Granted Mar 10, 2026

17/934,785

Patent 12534513

ANTI-SARS-COV-2 ANTIBODIES DERIVED FROM 2DD8

2y 5m to grant Granted Jan 27, 2026

18/177,050

Patent 12527866

COMBINED USE OF FC GAMMA RIIB (CD32B) AND CD20 SPECIFIC ANTIBODIES

2y 5m to grant Granted Jan 20, 2026

18/049,747

Patent 12522654

ENGINEERED HETERODIMERIC PROTEINS

2y 5m to grant Granted Jan 13, 2026

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

50%

Grant Probability

99%

With Interview (+51.7%)

4y 1m

Median Time to Grant

Low

PTA Risk

Based on 646 resolved cases by this examiner. Grant probability derived from career allow rate.