Sun Pharmaceutical Industries, Inc. vs. Biofrontera Inc.

Explore the PTAB proceeding PGR2026-00021 filed by Sun Pharmaceutical Industries, Inc. on 2026-01-16. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00021

Filing Date

2026-01-16

Accorded Filing Date

2026-01-16

Institution Decision Date

2026-05-26

Last Modified Date

2026-06-26

Proceeding Type

PGR

Termination Date

2026-05-26

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Sun Pharmaceutical Industries, Inc.

Represented By

Ha, Yung-Hoonet al

Patent Owner / Respondent

Biofrontera Inc.

Represented By

MURPHY, JAMESet 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 18533497

Respondent Patent Number 12280146

External Links

Espacenet

Google Patents

Respondent Inventor Montserrat FOGUET et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

20 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Lathrop GPM LLP

Customer Number 12779

Address 28 State Street, 7th Floor, Boston, MA, 02109, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
31503	Giulio Deconti Jr	857-300-4002
43673	Lisa Hillman	617-406-6034
44726	Wm Griffith	860-549-5290
46854	Robert Lambrechts	913-451-5126
55652	Judith Stone-Hulslander	857-300-4000
56130	James Velema	857-300-4000
56593	Brian Trinque	857-300-4000
56948	Tanya D'Souza	651-275-9838
59704	Lisbeth Robinson	612-632-3387
61545	Ricardo Ochoa	781-401-9988
62235	Laura Labeots	312-920-3357
66719	James Degiulio	312-913-2109
68807	Mae Hong	703-635-3009
73063	Stephanie Vu	303-547-8553
73077	Michael Spellberg	617-281-5375
74172	Alex Shtraym	847-529-2539
78397	Jonathan Milette	617-443-3706
79665	Meenal Deshmukh	610-639-4552
80590	Nicole Sassu	857-300-4069
82126	Diane Lebo	857-300-4011

Proceeding Documents

Notice of Refund NOTICE

2026-06-18 FILING PARTY: BOARD

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Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-06-09 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2026-05-26 FILING PARTY: BOARD

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Director Discretionary Decision: Deny RESPONSE

2026-05-19 FILING PARTY: BOARD

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2026-04-27 Final POPR POPR

2026-04-27 FILING PARTY: PATENT OWNER

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Sun Pharmaceutical Industries, Inc. vs. Biofrontera Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Sun Pharmaceutical Industries, Inc.

Represented By

Patent Owner / Respondent

Biofrontera Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Refund NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Director Discretionary Decision: Deny RESPONSE

Director Discretionary Decision: Deny RESPONSE

2026-04-27 Final POPR POPR

EX1037 - 510(k) No. K241358 BLU-U® 4170E Statement Exhibit

EX1041 - ITC Exhibit 21 Exhibit

EX1043 - ITC Exhibit 23 Exhibit

EX1033 - NDA No. N020965 Levulan® Kerastick® Label Exhibit

EX1031 - About Us (Sun Pharma Website) Exhibit

EX1040 - ITC Exhibit 20 Exhibit

EX1023 - Invoice 5416 Exhibit

EX1025 - Biofrontera Annual Report (2024) Exhibit

EX1026 - Dispute Letter (DNJ Dkt. 299) Exhibit

EX1021 - Decl. Exhibit

EX1038 - Frank Righetti LinkedIn profile Exhibit

EX1034 - PMA No. P990019 BLU-U® Approval Letter Exhibit

EX1039 - Order No. 23 Exhibit

EX1030 - DUSA Pharmaceuticals, Inc. and Sun Pharmaceutical Industries, Inc. Merger Documents Exhibit

EX1024 - Press Release Exhibit

EX1032 - NDA No. N020965 Levulan® Kerastick® Administrative Documents Exhibit

EX1027 - ITC Sun MSD on Econ-DI Exhibit

EX1029 - DUSA 10-K (FY08) Exhibit

Petitioner's Opposition to PO's Discretionary Denial Brief RESPONSE

EX1035 - PMA No. P990019 BLU-U® Safety and Effectiveness Data Exhibit

EX1022 - Email re Invoice 5416 Exhibit

EX1036 - 510(k) No. K031805 BLU-U® 4170D Summary Exhibit

EX1028 - Biofrontera Annual Report 2025 Exhibit

EX1042 - ITC Exhibit 22 Exhibit

Ex2006 Exhibit

Ex2012 Exhibit

Ex2013 Exhibit

Ex2009 Exhibit

Ex2003 Exhibit

Ex2007 Exhibit

Ex2005 Exhibit

Ex2010 Exhibit

Ex2011 Exhibit

Ex2004 Exhibit

Ex2002 Exhibit

Ex2008 Exhibit

Patent Owner DD Bief RESPONSE

Ex 2001 - Larivee Declaration Exhibit

Notice of Intent Designate Brian Larivee NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

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

EX1007 - Hill 1997 Exhibit

EX1014 - Bunke 2020 Exhibit

EX1016 - Fiume 2010 Exhibit

EX1006 - U.S. 2021/0393497 (“Alderson”) Exhibit

Notice: Petitioner's Power of Attorney NOTICE

EX1010 - Fiume 2020 Exhibit

EX1008 - U.S. Patent No. 6,858,200 Exhibit

EX1005 - U.S. 2003/0198654 (“Palazzolo”) Exhibit

EX1019 - U.S. 2015/0238457 Exhibit

EX1012 - Bailey 2012 Exhibit

EX1009 - Jaworska 2014 Exhibit

EX1018 - Araujo 2010 Exhibit

EX1001 - U.S. Patent No. 12,280,146 Exhibit

EX1015 - McCarron 2005 Exhibit

Petition: as filed PETITION

EX1002 - Expert Decl. Exhibit

EX1004 - U.S. Patent No. 5,520,905 (“Uhlmann”) Exhibit

EX1013 - Lehninger, Principles of Biochemistry Exhibit