The weekly litigation news digest is live. Subscribe now

IP Verse

Pfizer Inc. - IPR2026-00189

Explore the PTAB proceeding IPR2026-00189 filed by Pfizer Inc. on Dec 23, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2026-00189
Filing Date
Dec 23, 2025
Petitioner
Pfizer Inc.
Status
Petition filed
Respondent Application Number
16089040
Respondent Tech Center
1600
Respondent Patent Number
11058757

Decision Documents New

Decision pending - set alert to receive updates

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.

Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Notice: Power of Attorney

Dec 23, 2025PAPERPETITIONER

U.S. Patent No. 11,058,757

Dec 23, 2025EXHIBITPETITIONER

Goldblatt

Dec 23, 2025EXHIBITPETITIONER

Veeramachineni et al.

Dec 23, 2025EXHIBITPETITIONER

Ravenscroft et al.

Dec 23, 2025EXHIBITPETITIONER

Deng et al.

Dec 23, 2025EXHIBITPETITIONER

Alexander (WO 2005/120563)

Dec 23, 2025EXHIBITPETITIONER

Gu (WO 2015/121783)

Dec 23, 2025EXHIBITPETITIONER

Porro (WO 2014/118201)

Dec 23, 2025EXHIBITPETITIONER

Al-Sherikh et al.

Dec 23, 2025EXHIBITPETITIONER

Richter et al.

Dec 23, 2025EXHIBITPETITIONER

Wagenvoort et al.

Dec 23, 2025EXHIBITPETITIONER

Kaplan et al.

Dec 23, 2025EXHIBITPETITIONER

Pilishvili et al.

Dec 23, 2025EXHIBITPETITIONER

Waight et al.

Dec 23, 2025EXHIBITPETITIONER

European Centre for Disease Control and Prevention 2015 (ECDC)

Dec 23, 2025EXHIBITPETITIONER

Public Health Agency of Canada 2014 (PHAC)

Dec 23, 2025EXHIBITPETITIONER

Lee et al.

Dec 23, 2025EXHIBITPETITIONER

Anttila et al.

Dec 23, 2025EXHIBITPETITIONER

Prevnar FDA Label (PFL)

Dec 23, 2025EXHIBITPETITIONER

Vesikari et al.

Dec 23, 2025EXHIBITPETITIONER

Yeh et al.

Dec 23, 2025EXHIBITPETITIONER

Myers

Dec 23, 2025EXHIBITPETITIONER

Pichichero

Dec 23, 2025EXHIBITPETITIONER

PCV for childhood immunization - World Health Organization (WHO)

Dec 23, 2025EXHIBITPETITIONER

Hu et al.

Dec 23, 2025EXHIBITPETITIONER

Romero-Steiner et al.

Dec 23, 2025EXHIBITPETITIONER

Costantino et al.

Dec 23, 2025EXHIBITPETITIONER

Wessels et al.

Dec 23, 2025EXHIBITPETITIONER

Baker et al.

Dec 23, 2025EXHIBITPETITIONER

Whitney et al. (2003)

Dec 23, 2025EXHIBITPETITIONER

Jakobsen et al.

Dec 23, 2025EXHIBITPETITIONER

Sogaard

Dec 23, 2025EXHIBITPETITIONER

Giudice and Rappuoli

Dec 23, 2025EXHIBITPETITIONER

Lees et al.

Dec 23, 2025EXHIBITPETITIONER

Whitney et al. (2014)

Dec 23, 2025EXHIBITPETITIONER

Nunes et al.

Dec 23, 2025EXHIBITPETITIONER

Jefferies et al.

Dec 23, 2025EXHIBITPETITIONER

Malley (US 2015/0374811)

Dec 23, 2025EXHIBITPETITIONER

File History of U.S. Patent No. 11,058,757 (Excerpts)

Dec 23, 2025EXHIBITPETITIONER

File History of U.S. Provisional Application 62/316555

Dec 23, 2025EXHIBITPETITIONER

Daniels et al.

Dec 23, 2025EXHIBITPETITIONER

Pogona, LLC v. Merck Sharp & Dohme LLC (D.N.J. Sept. 5, 2025) (Complaint)

Dec 23, 2025EXHIBITPETITIONER

Centers for Disease Control and Prevention 2008 (CDC)

Dec 23, 2025EXHIBITPETITIONER

Pfizer's Search Disclosure Declaration (Filing Party and Board Only)

Dec 23, 2025EXHIBITPETITIONER

Merck Study to Evaluate the Safety, Tolerability, & Immunogenicity of V114

Dec 23, 2025EXHIBITPETITIONER

Petitioner's Motion to Seal

Dec 23, 2025PAPERPETITIONER

Curriculum Vitae of Luwy Musey, M.D.

Dec 23, 2025EXHIBITPETITIONER

Petition: as filed

Dec 23, 2025PAPERPETITIONER

Declaration of Luwy Musey, M.D.

Dec 23, 2025EXHIBITPETITIONER