Merck Sharp & Dohme LLC vs. Pogona, LLC

Explore the PTAB proceeding IPR2026-00221 filed by Merck Sharp & Dohme LLC on 2026-01-26. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00221

Filing Date

2026-01-26

Accorded Filing Date

2026-01-26

Institution Decision Date

2026-05-19

Last Modified Date

2026-06-19

Proceeding Type

IPR

Termination Date

2026-05-19

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Merck Sharp & Dohme LLC

Represented By

HABER, BENJAMINet al

Patent Owner / Respondent

Pogona, LLC

Represented By

Spires, Sarahet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1600 - Biotechnology & Organic Chemistry

Patent Information

1 Patent Involved

Respondent Application Number 16089040

Respondent Patent Number 11058757

External Links

Espacenet

Google Patents

Respondent Inventor Bruce D. FORREST et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

119 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name WOLF GREENFIELD & SACKS, P.C.

Customer Number 23628

Address 600 ATLANTIC AVENUE, BOSTON, MA, 02210-2206, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28129	John Welch	617-646-8000
31616	Edward Gates	617-646-8000
31624	Jason Honeyman	617-646-8222
32950	Edmund Walsh	617-646-8000
34681	James Morris	617-646-8000
35986	Randy Pritzker	617-646-8000
36149	Richard Giunta	617-646-8000
36628	Timothy Oyer	617-646-8251
36971	Douglas Wolf	617-646-8260
38232	Robert Maldonado	212-849-3339
39188	Neil Ferraro	617-646-8267
39213	James Hanifin Jr	617-646-8000
39231	Robert Hunt	617-646-8000
39248	Helen Lockhart	617-646-8249
40024	Jeffrey Hsi	617-646-8556
40212	John Van Amsterdam	617-646-8000
40286	Stephen Rabinowitz	212-849-3356
41418	Patrick Waller	617-646-8000
42866	Scott Mckeown	202-389-6025
43069	Edward Russavage	617-646-8515
43988	Adam Wichman	617-646-8571
46190	Michael Pomianek	617-646-8000
46324	Robert Walat	617-646-8000
46533	Charles Baker	617-646-8381
48207	Maria Trevisan	617-646-8000
48644	Andrew Williams	617-646-8000
50474	Gerald Hrycyszyn	617-646-8313
52146	Michael Rader	617-646-8000
52318	Janice Vatland	617-646-8000
52728	Tani Chen	617-646-8214
52957	Matthew Grady	617-646-8000
54986	Melissa Beede	617-646-8000
55151	Roque El Hayek	617-646-8000
57063	Gregory Nieberg	212-849-3338
58404	Tonia Sayour	212-697-7890
58423	Gabriel Mccool	617-646-8000
58767	Michael Parsons	617-646-8942
59924	Nidhi Malla	617-646-8572
61115	Jonathan Roses	617-646-8157
61146	Robert Jensen	617-646-8271
61674	Jessamine Lee	617-646-8272
62868	Daniel Young	617-646-8245
63390	Zachary Piccolomini	617-646-8579
63456	Thomas Franklin	617-646-8000
64978	Marc Johannes	617-646-8209
65507	Robert Sahr	617-646-8484
65843	Heather Dipietrantonio	617-646-8000
66229	Victor Cheung	202-571-5012
66256	Brandon Blackwell	617-646-8360
67110	Jason Balich	617-646-8498
67131	John Harmon Iii	617-646-8307
67336	Elisabeth Hunt	617-646-8443
68177	Oona Johnstone	617-504-4219
68598	Jennifer Wang	617-646-8392
69059	William Zhang	617-646-8257
70034	Cara Dawson	617-646-8000
70972	Daniel Rudoy	617-646-8303
71278	Daniel Smith	214-292-4071
72065	Mark Consilvio	202-408-3938
72100	David Gesner	617-646-8437
73256	Laura Rogers	212-336-3865
73865	Matthew Duffey	617-646-8537
73869	Zhiyun Ge	617-646-8472
73995	Curtis Powell	617-646-8534
74068	Jie Xiang	617-646-8000
74442	Lin Li	617-646-8502
74522	Kevin Macdonald	617-646-8497
75481	Philip Hamzik	617-646-8300
75857	Kirsten Weigel-Van Aken	202-350-2799
75967	Diana Borgas	(612) 339-3061
76050	Anant Saraswat	617-646-8187
76246	Adam Zeiger	617-646-8485
76538	Elizabeth Boehm	617-646-8000
76669	William Czaplyski	617-646-8494
76736	Michele Moresco	617-646-8000
76749	Danielle Samblanet	617-646-8565
76803	Amanda Varrichione	617-646-8161
76839	Jessica Von Reyn	617-646-8000
77021	Nathan Jacobs	617-646-8557
77065	Anne Weeks	617-646-8031
77265	Lingyin Ge	617-646-8199
77456	Saad Alam	617-646-8503
77641	Joseph Bowler	617-646-8393
77692	Elizabeth Mulski	617-646-8352
78514	Harrison Shecter	617-646-8183
78555	Andrew Varrenti	617-646-8314
78667	Flora Luo	617-646-8591
79027	Sarah Schlotter	617-646-8269
79358	Evan Jones	617-646-8000
79399	Andrew Maher	617-646-8596
79628	Tyler Goddard	617-646-8306
79725	Jeffrey Harrigan	617-646-8418
79773	Roshan Plamthottam	617-646-8770
79827	Charlotte Stewart-Sloan	617-646-8341
80263	Shangxing Lu	202-663-6000
80312	Samuel Doskocil	617-646-8198
80320	John Hovestadt	617-646-8348
80331	John Otterbein	908-420-6574
80350	Andrew Mathis	617-646-8562
80358	Colin Buss	617-646-8159
80498	Steven Hannigan	617-646-8573
80639	Edward Stanton	617-646-8873
80711	Kevin Chancellor	617-646-8373
80731	Samuel Kim	617-646-8000
81128	William Lindemann	617-646-8535
81205	Claire Lidston	617-646-8426
81429	Kylee Prosser	617-646-8590
81469	Victoria Julian	617-646-8495
81655	Jill Ryan	978-210-9065
81910	Conor Kavanagh	781-927-8679
81968	Joseph Noreika	212-849-3346
82138	Benjamin Walsh	617-646-8213
82211	Andrew Schlaus	212-849-3337
82354	Allison Mayne	617-646-8000
82491	Evan Bender	212-849-3351
82753	Adrienne Zagieboylo	617-646-8771
83072	Max Zegers	617-646-8660
83077	Samantha Collins	617-646-8564
83258	Karen Cruz	617-646-8444

Proceeding Documents

100

Director Discretionary Decision: Deny RESPONSE

2026-05-19 FILING PARTY: BOARD

Download

Patent Owner's Preliminary Response POPR

2026-04-29 FILING PARTY: PATENT OWNER

Download

Patent Owner's Updated Exhibit List NOTICE

2026-04-29 FILING PARTY: PATENT OWNER

Download

2015

US8192746 Exhibit

2026-04-29 FILING PARTY: PATENT OWNER

Download

2011

Ex Parte Smith Appeal Exhibit

2026-04-29 FILING PARTY: PATENT OWNER

Download

Merck Sharp & Dohme LLC vs. Pogona, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Merck Sharp & Dohme LLC

Represented By

Patent Owner / Respondent

Pogona, LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Director Discretionary Decision: Deny RESPONSE

Patent Owner's Preliminary Response POPR

Patent Owner's Updated Exhibit List NOTICE

US8192746 Exhibit

Ex Parte Smith Appeal Exhibit

Ex Parte Smith Exhibit

Ex Parte Eckhardt Appeal Exhibit

US11400162 Exhibit

Ex Parte Eckhardt Exhibit

U.S. Patent No. 9,399,060 Exhibit

Platt Declaration ISO Petitioner's Opposition to Patent Owner's Discretionary Denial Brief [Redacted] Exhibit

Petitioner’s Opposition to Patent Owner’s Discretionary Denial Brief [Redacted] RESPONSE

Heather Platt Curriculum Vitae Exhibit

Federal Courts Management Statistics Exhibit

Motion to Seal MOTION

FDA Approves CAPVAXIVE for Adult Pneumococcal Disease Prevention Exhibit

’757 Patent Claim Comparison to ’435 Application Exhibit

’435 Application File History Update Exhibit

Stay Order Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

District Court's Order Exhibit

Information Disclosure Statement Exhibit

A. Matanock, Invasive Pneumococcal Disease in the U.S. - 2008-2016 Exhibit

A. Matanock et al. Exhibit

U.S. Patent No. 11,395,849 Exhibit

Email Correspondence Exhibit

C. Whitney, Pneumococcal Vaccines for Older Adults Exhibit

Declaration of Bruce D. Forrest in Support of Patent Owner's Discretionary Denial Brief Exhibit

Email Correspondence Exhibit

Sotera Stipulation Letter Regarding IPR Invalidity Grounds Exhibit

Petitioner's Updated List of Exhibits NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Wagenvoort, Risk of Invasive Pneumococcal Disease, 34 Vaccine (2016) Exhibit

Flasche, Pneumococcal Vaccination in England, 8 PLoS Med. (2011) Exhibit

PDR 1979 Pneumovax, Physicians' Desk Reference (33d ed. 1979) Exhibit

International Publication No. WO 2016/149771 (“Babb”) Exhibit

U.S. Patent No. 5,360,897 (“Anderson 1994”) Exhibit

Dransfield, Pneumococcal Vaccine Response, 180 Am. J. Respir. (2009) Exhibit

Declaration of Dr. Dennis Kasper Exhibit

Mäkelä, Capsular Polysaccharide Vaccines, 12 Infection (1984) Exhibit

Finn, Polysaccharide-Protein Conjugates, 70 Br. Med. Bull. (2004) Exhibit

International Publication No. WO 2017/067962 (“Bertaud”) Exhibit

Lin, Salmonella typhi Vi Conjugate Vaccine, 344 N. Engl. J. Med. (2001) Exhibit

Notice: Power of Attorney NOTICE

International Publication No. WO 2014/118201 (“Porro”) Exhibit

Curriculum Vitae of Dr. Dennis Kasper Exhibit

PDR 1990 Pneumovax 23, Physicians' Desk Reference (44th ed. 1990) Exhibit

U.S. Patent No. 8,808,707 (“Siber”) Exhibit

Mekalanos Claim Comparison with Provisional Exhibit

Rappuoli, Mechanisms of Conjugate Vaccines, 116 PNAS (2019) Exhibit

Richter, Pneumococcal Serotypes After PCV13, 58 Antimicrob. Agents (2014) Exhibit

Plotkin, Vaccines (6th ed. 2013) Exhibit

Domenech, Emerging Non-PCV13 Serotypes, 10 PLoS One (2015) Exhibit

Morais, Glycoconjugate Vaccine Methods, 9 Bioengineering (2022) Exhibit

PDR 2011 Prevnar 13, Physicians' Desk Reference (65th ed. 2011) Exhibit

Mekalanos Redline with Provisional Exhibit

Satzke, Pneumococcal Serotypes 6C & 6D, 48 J. Clin. Microbiol. (2010) Exhibit

Obaro, New Pneumococcal Vaccine, 8 Clin. Microbiol. Infect. (2002) Exhibit

Kniskern, Haemophilus influenzae Type b Vaccines, Vaccine Design (1995) Exhibit

International Publication No. WO 2006/065137 (“Nierop”) Exhibit

International Publication No. WO 2016/207905 (“Matur”) Exhibit

Richter, Antimicrobial-Resistant S. pneumoniae in U.S. (2009) Exhibit