Walgreen Co. submits affidavit supporting motion against Collegium Pharmaceutical in Massachusetts

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Case Summary

Walgreen Co. has filed a civil suit against Collegium Pharmaceutical, Inc. in the District of Massachusetts, case number 26-cv-11242. The current filing is an affidavit in support of a motion.

Latest development

1:26-cv-11242 Walgreen Co. v. Collegium Pharmaceutical, Inc.

Motion · May 1, 2026

A Motion was filed.

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Key Issues

• • Pharmaceuticals
• • Motion practice
• • Massachusetts jurisdiction

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Docket Snapshot

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Court

D. Mass.

District of Massachusetts · 1st Circuit · MA

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Docket

Not captured

Civil

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Stage

Motion practice

Active

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Filed

Date unavailable

Not in the available feed

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Latest Filing

1:26-cv-11242 Walgreen Co. v. Collegium Pharmaceutical, Inc.

Motion · May 01, 2026

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Coverage

1 article

1 source tracked

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Participants

1 Defendant, 1 Plaintiff

2 linked entities

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Judge

Not assigned in feed

What the record shows

This case is tied to District of Massachusetts, a federal district court in MA.

The newest docket activity we have is a motion dated May 01, 2026.

The visible party/entity graph currently includes Collegium Pharmaceutical, Inc, Walgreen Co.

Press monitoring has found 1 related article from 1 distinct source.

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The Story So Far

Updated 4 days, 20 hours ago

Walgreen Co. v. Collegium Pharmaceutical, Inc. is an active civil matter in District of Massachusetts under docket 26-cv-11242.

The dispute currently identifies 1:26-cv-11242 Walgreen Co on one side and Collegium Pharmaceutical, Inc on the other. The case is currently organized around Federal jurisdiction and procedural posture, Current docket activity and next procedural step, Pending motions, orders, and near-term docket movement.

The available docket gives enough signal to track the case, but not enough to overstate the merits. This page will become more useful as filings, orders, hearings, and party appearances add detail.

On May 1, 2026, the docket recorded a motion: A Motion was filed.

The next thing to watch is whether the latest motion produces a substantive order, a scheduling change, a settlement signal, or a filing that clarifies the parties' positions.

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About This Court

District of Massachusetts (D. Mass.) is a federal district court in the 1st Circuit, MA.

Case Timeline

1 event

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Motion May 1, 2026

1:26-cv-11242 Walgreen Co. v. Collegium Pharmaceutical, Inc.

A Motion was filed.

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Press Coverage

1 article

All No paywall (1) Original reporting (1)

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Coverage

1:26-cv-11242 Walgreen Co. v. Collegium Pharmaceutical, Inc.

Affidavit in Support of Motion ( 26

May 1, 2026 · 1 min read