Prosecution Insights
Last updated: October 25, 2026

Supernus Pharmaceuticals Inc.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 2 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Analysis

Supernus Pharmaceuticals Inc. currently has 3 pending office actions within the Biotechnology & Pharmaceuticals technology area. These 3 actions are being reviewed by 3 distinct examiners, ensuring that each application receives an independent evaluation from a different individual at the USPTO. This diversity of examiners can provide a range of feedback on the company's pharmaceutical claims. The count of 3 examiners matches the 3 pending office actions.

While there are 3 examiners, the 3 pending office actions are concentrated within only 2 distinct art units. This suggests that the company's current filings are focused on specific technical areas within biotechnology. YOO, SUN JAE is the busiest examiner, holding 1 pending office action. Since this 1 action is only one of the 3 total pending office actions, the company's prosecution is not dependent on any single examiner.

The concentration in 2 art units indicates a focused departmental interaction. With 3 distinct examiners working within only 2 distinct art units, the company may encounter different individual styles but will likely face consistent departmental policies. This balance between 3 examiners and 2 art units requires a prosecution strategy that is both individually tailored and departmentally aware. YOO, SUN JAE handles the busiest_examiner_pending count of 1.

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

Portfolio Summary

3
Total Pending OAs
2
Non-Final OAs
0
Final Rejections
1
Advisory / Quayle

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 (33%)
1
Medium (33%)
1
Easy (33%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (33%)
§112 only1 (33%)
Double-patenting + other1 (33%)

Industry Mix

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

3
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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
YOO, SUN JAE 1 71.2% +0.3%
YOUNGBLOOD, WILLIAM JUSTIN 1 60.0% +41.6%
TOWNSLEY, SARA ELIZABETH 1 25.6% +48.2%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18899299 SUBSTITUTED DERIVATIVES OF ISOINDOLES AND USES THEREOF YOUNGBLOOD, WILLIAM JUSTIN —
18784106 SUBSTITUTED DERIVATIVES OF ISOINDOLES TOWNSLEY, SARA ELIZABETH —

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18899299 SUBSTITUTED DERIVATIVES OF ISOINDOLES AND USES THEREOF YOUNGBLOOD, WILLIAM JUSTIN —
18784106 SUBSTITUTED DERIVATIVES OF ISOINDOLES TOWNSLEY, SARA ELIZABETH —

Top Art Units

Art UnitApps
1629 2
1621 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18999866 DERIVATIVES OF SUBSTITUTED MORPHOLINES AND USES THEREOF YOO, SUN JAE 1621 §112 Non-Final OA — Pending Dec 23, 2024
18899299 SUBSTITUTED DERIVATIVES OF ISOINDOLES AND USES THEREOF YOUNGBLOOD, WILLIAM JUSTIN 1629 §101§102§112DP Non-Final OA — Pending Sep 27, 2024
18784106 SUBSTITUTED DERIVATIVES OF ISOINDOLES TOWNSLEY, SARA ELIZABETH 1629 §102§103§112DP Non-Final OA — Pending Jul 25, 2024

Managing Supernus Pharmaceuticals Inc.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Frequently Asked Questions

How many pending USPTO office actions does Supernus Pharmaceuticals Inc. have?

Supernus Pharmaceuticals Inc. has 3 pending office actions as of October 2026, spread across 2 art units and 3 examiners.

Which USPTO examiner handles the most Supernus Pharmaceuticals Inc. applications?

Sun Jae Yoo has the most, with 1 of Supernus Pharmaceuticals Inc.'s pending office actions.

What technology area are Supernus Pharmaceuticals Inc.'s patent applications in?

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

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month