Prosecution Insights
Last updated: October 25, 2026

Covington & Burling LLP

Technology area: Biotechnology & Pharmaceuticals

6 pending office actions • 3 clients • 6 examiners • 6 art units • 0 of 6 (0%) have an AI response strategy ready

Analysis

COVINGTON & BURLING, LLP practices in Biotechnology & Pharmaceuticals. The profile includes 6 pending office actions and 588 career applications, showing a limited current docket against a defined historical record.

The resolved allowance rate is 64.19%, and the average is 3.27 office actions per allowance. This combination indicates that resolved matters may require sustained examination work and that allowance outcomes vary across the record. Practitioners should examine prosecution histories closely when planning amendments, interviews, or continuation strategy.

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

Quality Metrics (n=588 apps, methodology: how we score firms)

64.2%
Allowance Rate
n=588
+0.54σ
Allowance Rate (norm)
n=588
3.3
OAs to Allowance
n=251
-0.13σ
OAs to Allow (norm)
n=251
1084 days
Time to Allowance
n=251
-1.4pp
Interview Lift
n=588
20.7%
RCE Rate
n=588
1.7%
Appeal Rate
n=588

Rejection Performance (% of received rejections ultimately overcome)

70.0%
§101 Overcome
n=30
73.1%
§102 Overcome
n=78
69.3%
§103 Overcome
n=150
75.4%
§112 Overcome
n=126

Specialization & Scale

A61K, A61P, C07D
Top CPC Subclasses
48%
Top-3 CPC Share
n=588
6
Practitioners
n=588
98.0
Apps / Practitioner
n=588

Portfolio Summary

6
Total Pending OAs
2
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
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.

1
Hard (17%)
5
Medium (83%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (50%)
§102 only1 (17%)
Double-patenting + other1 (17%)
Multi-statute (no §101)1 (17%)

Industry Mix

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

5
Life Sciences
83% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
17% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
RAHMANI, NILOOFAR 1 77.6% -2.9%
CHANDRAKUMAR, NIZAL S 1 72.7% +18.2%
TORRES, ALICIA M 1 73.7% +17.3%
WELLS, LAUREN QUINLAN 1 49.4% +59.7%
RAMOS LEWIS, JOSMALEN MILAGROS 1 55.1% +28.3%
SONG, JIANFENG 1 56.4% +33.0%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
17639489 EXTENDED RELEASE DOSAGE FORMS FOR TYK2 INHIBITORS RAMOS LEWIS, JOSMALEN MILAGROS —

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
18276837 SINGLE OPERATOR SEED PLANTING APPARATUSES, SYSTEMS, AND METHODS OF USE TORRES, ALICIA M 121d overdue
18026704 DOSAGE FORMS FOR TYK2 INHIBITORS COMPRISING SWELLABLE CORES WELLS, LAUREN QUINLAN 26d overdue
18684747 CRYSTAL FORMS OF 6-(CYCLOPROPANECARBOXAMIDO)-4-((2-METHOXY-3- (1-METHYL-1H-1,2,4-TRIAZOL-3-YL)PHENYL)AMINO)-N-(METHYL-D3) PYRIDAZINE-3-CARBOXAMIDE CHANDRAKUMAR, NIZAL S —
17639489 EXTENDED RELEASE DOSAGE FORMS FOR TYK2 INHIBITORS RAMOS LEWIS, JOSMALEN MILAGROS —
17627112 COMPOSITION AND METHOD OF TREATING BACTERIAL AND VIRAL PATHOGENS IN PLANTS SONG, JIANFENG —

Client Portfolio (3 clients)

Top Art Units

Art UnitApps
16911
16251
36711
16221
16211
16131

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18694424 METHODS OF TREATING HAIR-LOSS DISORDERS WITH TYK2 INHIBITORS Bristol-Myers Squibb Company RAHMANI, NILOOFAR 1691 §102 Non-Final OA — Pending Mar 22, 2024
18684747 CRYSTAL FORMS OF 6-(CYCLOPROPANECARBOXAMIDO)-4-((2-METHOXY-3- (1-METHYL-1H-1,2,4-TRIAZOL-3-YL)PHENYL)AMINO)-N-(METHYL-D3) PYRIDAZINE-3-CARBOXAMIDE Bristol-Myers Squibb Company CHANDRAKUMAR, NIZAL S 1625 §103DP Non-Final OA — Pending Feb 19, 2024
18276837 SINGLE OPERATOR SEED PLANTING APPARATUSES, SYSTEMS, AND METHODS OF USE Brooklyn Bridge To Cambodia, Inc. TORRES, ALICIA M 3671 §103 Final Rejection 121d overdue Pending Aug 10, 2023
18026704 DOSAGE FORMS FOR TYK2 INHIBITORS COMPRISING SWELLABLE CORES Bristol-Myers Squibb Company WELLS, LAUREN QUINLAN 1622 §103 Final Rejection 26d overdue Pending Mar 16, 2023
17639489 EXTENDED RELEASE DOSAGE FORMS FOR TYK2 INHIBITORS Bristol-Myers Squibb Company RAMOS LEWIS, JOSMALEN MILAGROS 1621 §103§112 Final Rejection — Pending Mar 01, 2022
17627112 COMPOSITION AND METHOD OF TREATING BACTERIAL AND VIRAL PATHOGENS IN PLANTS Greening Be Gone, LLC SONG, JIANFENG 1613 §103 Final Rejection — Pending Jan 13, 2022

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Frequently Asked Questions

What is Covington & Burling LLP's patent allowance rate?

64.2% of resolved applications prosecuted by Covington & Burling LLP were allowed, across 588 applications in USPTO records.

How many office actions does Covington & Burling LLP average before allowance?

3.27 office actions per allowed application on average.

How many pending office actions does Covington & Burling LLP have?

6 pending office actions as of October 2026, for 3 clients, before 6 examiners in 6 art units.

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