Prosecution Insights
Last updated: October 25, 2026

Disc Medicine Inc.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Disc Medicine Inc. is currently navigating 3 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are split among 3 distinct examiners, which indicates that each pending matter is under the review of a different patent office official. This distribution requires the applicant to manage three separate sets of examiner expectations and timelines.

The prosecution activity is also spread across 3 distinct art units, suggesting that the company's pharmaceutical developments fall into three different regulatory categories. DONOGHUE, BRITTNEY ERIN is the busiest examiner for this portfolio and is currently overseeing 1 busiest examiner pending office action. This examiner is responsible for 1 of the 3 pending office actions currently active.

Strategic management of the 3 pending office actions requires a focus on the individual requirements of the 3 distinct art units. Because there is no overlap among the 3 distinct examiners, the applicant cannot rely on a single prosecution strategy. Instead, the company must tailor its responses to the specific feedback of each examiner, including the 1 busiest examiner pending action assigned to DONOGHUE, BRITTNEY ERIN.

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

Portfolio Summary

3
Total Pending OAs
3
Non-Final OAs
0
Final Rejections
0
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.

0
Hard (0%)
3
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Double-patenting + other3 (100%)

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
DONOGHUE, BRITTNEY ERIN 1 58.7% +47.4%
NOLAN, JASON MICHAEL 1 66.6% -27.2%
PATEL, SAGAR S 1 75.7% +34.9%

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
18673941 ANTI-TMPRSS6 ANTIBODIES AND USES THEREOF DONOGHUE, BRITTNEY ERIN —
18290403 METHODS OF TREATING ERYTHROPOIETIC PROTOPORPHYRIA, X-LINKED PROTOPORPHYRIA, OR CONGENITAL ERYTHROPOIETIC PORPHYRIA WITH GLYCINE TRANSPORT INHIBITORS PATEL, SAGAR S —

Top Art Units

Art UnitApps
1675 1
1623 1
1626 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18673941 ANTI-TMPRSS6 ANTIBODIES AND USES THEREOF DONOGHUE, BRITTNEY ERIN 1675 §103§112DP Non-Final OA — Pending May 24, 2024
18562510 METHODS OF TREATING ERYTHROPOIETIC PROTOPORPHYRIA, X-LINKED PROTOPORPHYRIA, OR CONGENITAL ERYTHROPOIETIC PORPHYRIA WITH A SOLID FORM OF BITOPERTIN NOLAN, JASON MICHAEL 1623 §102§103§112DP Non-Final OA — Pending Nov 20, 2023
18290403 METHODS OF TREATING ERYTHROPOIETIC PROTOPORPHYRIA, X-LINKED PROTOPORPHYRIA, OR CONGENITAL ERYTHROPOIETIC PORPHYRIA WITH GLYCINE TRANSPORT INHIBITORS PATEL, SAGAR S 1626 §103§112DPOther Non-Final OA — Pending Nov 13, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Disc Medicine Inc. have?

Disc Medicine Inc. has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Disc Medicine Inc. applications?

Brittney Erin Donoghue has the most, with 1 of Disc Medicine Inc.'s pending office actions.

What technology area are Disc Medicine 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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