Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Athyrium Opportunities IV Acquisition 2 LP	2. Date of Event Requiring Statement (MM/DD/YYYY) 8/8/2022	3. Issuer Name and Ticker or Trading Symbol RVL Pharmaceuticals plc [RVLP]
(Last)        (First)        (Middle) 505 FIFTH AVENUE, FLOOR 18	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                          ___X___ 10% Owner _____ Officer (give title below)        _____ Other (specify below)
(Street) NEW YORK, NY 10017       (City)              (State)              (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)	6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	8148832	I	See footnotes (1)(2)
Ordinary Shares	6451612	I	See footnotes (2)(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Warrants	10/12/2021	4/14/2025	Ordinary Shares	2000000	$3.10	I	See footnote (1)(2)

Explanation of Responses:
(1)	Represents securities held by Athyrium Opportunities IV Acquisition 2 LP ("Acquisition 2"). Athyrium Opportunities Associates IV GP LLC ("Associates IV GP") is the general partner of Athyrium Opportunities Associates IV LP, which is the general partner of Acquisition 2. Athyrium Funds GP Holdings LLC ("Holdings") is the managing member of Associates IV GP. Jeffery Ferrell is the managing member of Holdings.
(2)	Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein.
(3)	Represents securities held by Athyrium Opportunities IV Co-Invest 2 LP ("Co-Invest"). Athyrium Opportunities Associates IV Co-Invest LLC ("Co-Invest GP") is the general partner of Co-Invest. Holdings is the managing member of Co-Invest GP. Jeffery Ferrell is the managing member of Holdings.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Athyrium Opportunities IV Acquisition 2 LP 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X
Athyrium Opportunities IV Co-invest 2 LP 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X
Athyrium Opportunities Associates IV LP 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X
Athyrium Opportunities Associates IV GP LLC 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X
Athyrium Funds GP Holdings LLC 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X
Athyrium Opportunities Associates IV Co-Invest LLC 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X
Ferrell Jeffrey 505 FIFTH AVENUE, FLOOR 18 NEW YORK, NY 10017		X

Signatures
/s/ Athyrium Opportunities IV Acquisition 2 LP, by Athyrium Opportunities Associates IV LP, its General Partner, by Athyrium Opportunities Associates IV GP LLC, its General Partner, by Andrew Hyman, Senior Vice President, Secretary		8/12/2022
**Signature of Reporting Person		Date
/s/ Athyrium Opportunities Associates IV LP, by Athyrium Opportunities Associates IV GP LLC, its General Partner, by Andrew Hyman, Senior Vice President, Secretary		8/12/2022
**Signature of Reporting Person		Date
/s/ Athyrium Opportunities Associates IV GP LLC, by Andrew Hyman, Senior Vice President, Secretary		8/12/2022
**Signature of Reporting Person		Date
/s/ Athyrium Opportunities IV Co-Invest 2 LP, by Athyrium Opportunities IV Co-Invest LLC, its General Partner, by Andrew Hyman, Senior Vice President, Secretary		8/12/2022
**Signature of Reporting Person		Date
/s/ Athyrium Opportunities Associates IV Co-Invest LLC, by Andrew Hyman, Senior Vice President, Secretary		8/12/2022
**Signature of Reporting Person		Date
/s/ Athyrium Funds GP Holdings LLC, by Jeffrey A. Ferrell, Managing Member		8/12/2022
**Signature of Reporting Person		Date
/s/ Jeffrey A. Ferrell		8/12/2022
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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