Last updated: April 24, 2026

Application No. 19/388,859

Untitled Application

Unknown

Filed

1600

Examiner

MCCOLLUM, ANDREA K

Art Unit

1674

Tech Center

Xencor, Inc.

Assignee

Xencor, Inc.

OA Round

1 (Non-Final)

This examiner grants 61% of cases after interview

— +32.6% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 599 resolved cases, 2023–2026

Examiner Intelligence

MCCOLLUM, ANDREA K View full profile →

Grants 61% of resolved cases

Career Allow Rate

363 granted / 599 resolved

+0.6% vs TC avg

Strong +33% interview lift

Without

With

+32.6%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

44 currently pending

Career history

643

Total Applications

across all art units

Statute-Specific Performance

§101

6.4%

-33.6% vs TC avg

§103

17.5%

-22.5% vs TC avg

§102

18.1%

-21.9% vs TC avg

§112

36.8%

-3.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 599 resolved cases

Prosecution Timeline

1600

Application Filed

Feb 11, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

15/742,803

Patent 12595316

BISPECIFIC AND MULTISPECIFIC ANTIBODIES AND METHOD FOR ISOLATION OF SUCH

2y 5m to grant Granted Apr 07, 2026

18/941,441

Patent 12594325

INTERLEUKIN-18 VARIANTS AND METHODS OF USE

2y 5m to grant Granted Apr 07, 2026

17/283,830

Patent 12590169

5T4 SINGLE DOMAIN ANTIBODIES AND THERAPEUTIC COMPOSITIONS THEREOF

2y 5m to grant Granted Mar 31, 2026

17/442,771

Patent 12583941

FIBROBLAST ACTIVATION PROTEIN BINDING AGENTS AND USE THEREOF

2y 5m to grant Granted Mar 24, 2026

17/943,875

Patent 12583897

SYNTHETIC FOLDABLE PROTEINS GENERATED FROM PEPTIDE SEGMENTS OF FOLDING NUCLEI OF REFERENCE PROTEINS

2y 5m to grant Granted Mar 24, 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

61%

Grant Probability

93%

With Interview (+32.6%)

3y 3m

Median Time to Grant

Low

PTA Risk

Based on 599 resolved cases by this examiner. Grant probability derived from career allow rate.