Prosecution Insights
Last updated: October 25, 2026

Elanco US Inc.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 5 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 11 patents granted in the last 365 days

Analysis

Elanco US Inc. has 7 pending office actions in Biotechnology & Pharmaceuticals. Each action is assigned to a separate examiner and a separate art unit, producing a fully distributed prosecution docket. RAHMANI, NILOOFAR is the busiest examiner, with 1 pending matter.

The absence of examiner or art-unit concentration means that portfolio management should emphasize consistent disclosure positions, claim strategy, and deadline control rather than reliance on one examination pattern. Each application warrants its own assessment of the cited technology and claim issues.

Centralized tracking remains useful for identifying recurring themes across the biotechnology matters, but response drafting should remain tailored to the assigned examiner and art unit.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

3
Hard (60%)
2
Medium (40%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Double-patenting + other2 (40%)
Multi-statute (no §101)3 (60%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

5
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MARTINEZ, TARA L 1 62.7% +65.6%
STONEBRAKER, ALYSSA RAE 1 58.9% +49.4%
PHAN, DOAN THI-THUC 1 42.8% +47.6%
CURRENS, GRANT CARSON 1 54.9% +60.1%
NGUYEN, NAM P 1 54.8% +48.7%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18258071 TNF ALPHA AND NGF ANTIBODIES FOR VETERINARY USE STONEBRAKER, ALYSSA RAE —
17432725 MICROBIAL TREATMENT CURRENS, GRANT CARSON —
17284875 Fc Variants with Altered Binding to Neonatal Fc Receptor (FCRN) for Veterinary Use NGUYEN, NAM P —

Interview Candidates (5)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
17524709 CLAY COMPOSITIONS AND METHODS FOR IMPROVING ANIMAL PERFORMANCE PHAN, DOAN THI-THUC 4d overdue
18566294 METHODS OF INHIBITING BOVINE MASTITIS DURING THE DRY PERIOD MARTINEZ, TARA L —
18258071 TNF ALPHA AND NGF ANTIBODIES FOR VETERINARY USE STONEBRAKER, ALYSSA RAE —
17432725 MICROBIAL TREATMENT CURRENS, GRANT CARSON —
17284875 Fc Variants with Altered Binding to Neonatal Fc Receptor (FCRN) for Veterinary Use NGUYEN, NAM P —

Top Art Units

Art UnitApps
1654 1
1642 1
1613 1
1651 1
1678 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18566294 METHODS OF INHIBITING BOVINE MASTITIS DURING THE DRY PERIOD MARTINEZ, TARA L 1654 §103DP Non-Final OA — Pending Dec 01, 2023
18258071 TNF ALPHA AND NGF ANTIBODIES FOR VETERINARY USE STONEBRAKER, ALYSSA RAE 1642 §102§103§112 Non-Final OA — Pending Jun 16, 2023
17524709 CLAY COMPOSITIONS AND METHODS FOR IMPROVING ANIMAL PERFORMANCE PHAN, DOAN THI-THUC 1613 §103§112DP Final Rejection 4d overdue Pending Nov 11, 2021
17432725 MICROBIAL TREATMENT CURRENS, GRANT CARSON 1651 §102§103 Final Rejection — Pending Aug 20, 2021
17284875 Fc Variants with Altered Binding to Neonatal Fc Receptor (FCRN) for Veterinary Use NGUYEN, NAM P 1678 §103§112 Final Rejection — Pending Apr 13, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Elanco US Inc. have?

Elanco US Inc. has 5 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Elanco US Inc. applications?

Tara L Martinez has the most, with 1 of Elanco US Inc.'s pending office actions.

What technology area are Elanco US Inc.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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