EX-10.28



 Exhibit 10.28 

PATENT ASSIGNMENT 
 THIS
PATENT ASSIGNMENT is executed by Merck Sharp & Dohme Corp., a New Jersey corporation with a principal place of business at One Merck Drive, Whitehouse Station, New Jersey 08889 (“Assignor”) for the benefit of Scynexis, Inc., a
Delaware corporation with a principal place of business at 3501 C Tricenter Boulevard, Durham, NC 27713 (“Assignee”). 

RECITALS 
 Whereas, the
Assignor owns certain rights, title and interest in, to and under the patents set forth in the Patent Schedule attached hereto (“the Patents”), each of which is related to enfumafungin. 

Whereas, the Assignee is desirous of acquiring or confirming all of Assignor’s rights, title and interest in, to and under the Patents.

 To effect such transactions and in consideration of the foregoing and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, and intending to be legal bound hereby, the parties agree as follows: 
 TERMS 

Section 1 Assignment. The Assignor hereby conveys, transfers, assigns to, and confirms in the Assignee its entire right,
title and interest in, to and under the Patents, any continuation, divisional and continuation-in-part patent applications directed to the same invention as, and claiming priority to, the Patents, as well as any patents that issue therefrom
including all extensions, renewals, reissues, reexaminations and foreign counterparts thereof. 
 Section 2 Prosecution,
Maintenance, and Enforcement Responsibilities. 
 Assignee shall assume and be responsible for prosecuting, maintaining and enforcing the Patents
assigned herein. 
 Section 3 Assignment Recordation. The responsibility and cost of recording the present instrument
assignment the Patents assigned herein or any assignment of any other patent applications arising from the Patents shall be borne solely by Assignee. 

[Signature Page Follows] 







 IN WITNESS WHEREOF, the parties have caused this Patent Assignment to be executed as of
the date written below. 
  

					
		 	(“ASSIGNOR”)
		
		 	Merck Sharp & Dohme Corp.
		
	By:	 	 /s/ Iain D. Dukes

		 	Signatory:	 	 Iain D. Dukes

		 	Title & Position:	 	Senior Vice President, Worldwide Licensing
		 		 	 And External Research



 Executed this 28th day of January, in the year 2014. 

At 
 State of
    Pennsylvania     
 County of     Montgomery     

Before me personally appeared Iain D. Dukes who acknowledged the foregoing instrument to be a free act and deed and also represented that he is
a Senior Vice President, Worldwide Licensing and External Research at Merck Sharp & Dohme Corp., and is authorized to execute [and seal] the same this 28 day of January, in the year 2014. 

 

	
	 /s/ Marietta V. Quigg

	
	(Notary Public)
	
	My Commission expires:

  
 



 







 PATENT SCHEDULE 

TITLE:        ANTIFUNGAL AGENT 
  

																			
	 Country
	 	 Application No.
	  	 	 	 Filing Date
	  	 	 	 Publication No.
	  	 	 	 Patent No.
	  	 	 	 Issue Date

	 Australia
	 	22529/97	  		 	01/27/1997	  		 		  		 	703925	  		 	07/15/1999
	 Canada
	 	2244142	  		 	01/27/1997	  		 		  		 	2244142	  		 	03/29/2005
	 France
	 	97906885.5	  		 	01/27/1997	  		 	0877618	  		 	0877618	  		 	01/02/2003
	 Germany
	 	97906885.5	  		 	01/27/1997	  		 	0877618	  		 	69718141.3-08	  		 	01/02/2003
	 Great Britain
	 	97906885.5	  		 	01/27/1997	  		 	0877618	  		 	0877618	  		 	01/02/2003
	 Italy
	 	97906885.5	  		 	01/27/1997	  		 	0877618	  		 	0877618	  		 	01/02/2003
	 Japan
	 	527855/97	  		 	01/27/1997	  		 		  		 	3834062	  		 	07/28/2006
	 Spain
	 	97906885.5	  		 	01/27/1997	  		 	0877618	  		 	2188899	  		 	01/02/2003
	  

TITLE:        PROCESSES FOR ISOLATION AND PURIFICATION OF ENFUMAFUNGIN

 

	 Country
	 	 Application No.
	  	 	 	 Filing Date
	  	 	 	 Publication No.
	  	 	 	 Patent No.
	  	 	 	 Issue Date

	 Argentina
	 	P100103198	  		 	09/01/2010	  		 	AR078248A1	  		 		  		 	
	 EPC
	 	10814329.8	  		 	08/30/2010	  		 	2473169	  		 		  		 	
	 Taiwan
	 	099129753	  		 	09/02/2010	  		 		  		 		  		 	
	 United States
	 	13/393638	  		 	08/30/2010	  		 	US2012-0165513	  		 		  		 	

  

  
 Page 1 of 4 








 PATENT SCHEDULE 

TITLE:        ANTIFUNGAL AGENTS 
  

															
	 Country
	 	 Application No.
	  	 	 	 Filing Date
	  	 	 	 Patent No.
	  	 	 	 Issue Date

	 Australia
	 	2009282476	  		 	8/10/2009	  		 		  		 	
	 Canada
	 	2,731,696	  		 	8/10/2009	  		 		  		 	
	 China
	 	200980140551.5	  		 	8/10/2009	  		 		  		 	
	 Europe
	 	9806946.1	  		 	8/10/2009	  		 		  		 	
	 India
	 	404/KOLNP/2011	  		 	8/10/2009	  		 		  		 	
	 Japan
	 	2011-522977	  		 	8/10/2009	  		 		  		 	
	 United States
	 	13/058,227	  		 	5/26/2011	  		 		  		 	
	 WIPO
	 	PCT/US09/004569	  		 	8/10/2009	  		 		  		 	
	  

TITLE:        ANTIFUNGAL AGENTS
  
	  		 	
	 Country
	 	 Application No.
	  	 	 	 Filing Date
	  	 	 	 Patent No.
	  	 	 	 Issue Date

	 Australia
	 	2008307664	  		 	9/25/2008	  		 	2008307664	  		 	5/16/2013
	 Canada
	 	2,700,530	  		 	9/25/2008	  		 		  		 	
	 China
	 	200880116560.6	  		 	9/25/2008	  		 		  		 	
	 Europe
	 	08836095.3	  		 	9/25/2008	  		 		  		 	
	 India
	 	1241/KOLNP/2010	  		 	9/25/2008	  		 		  		 	
	 Japan
	 	2010-526940	  		 	9/25/2008	  		 		  		 	
	 United States
	 	12/680,472	  		 	2/18/2011	  		 	8,222,255	  		 	7/17/2012
	 WO
	 	PCT/US2008/011100	  		 	9/25/2008	  		 		  		 	

  

  
 Page 2 of 4 








 PATENT SCHEDULE 

TITLE:        ANTIFUNGAL AGENTS 
  

															
	 Country
	 	 Application No.
	 	 	  	 Filing Date
	 	 	  	 Patent No.
	 	 	  	 Issue Date

	 Australia
	 	2007245024	 		  	3/29/2007	 		  	2007245024	 		  	12/20/2012
	 Belgium
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 Canada
	 	2,649,432	 		  	3/29/2007	 		  		 		  	
	 Switzerland
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 China
	 	200780019497.X	 		  	3/29/2007	 		  	ZL 200780019497.X	 		  	6/20/2012
	 Denmark
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 Europe
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 Spain
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 France
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 Great Britain
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 India
	 	4187/KOLNP/2008	 		  	3/29/2007	 		  		 		  	
	 Italy
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 Japan
	 	2009-504212	 		  	3/29/2007	 		  	5245057	 		  	4/19/2013
	 Netherlands
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 Sweden
	 	07754382.5	 		  	3/29/2007	 		  	2007396	 		  	2/13/2013
	 United States
	 	11/727,927	 		  	3/29/2007	 		  	7,863,465	 		  	1/4/2011
	 WIPO
	 	PCT/US07/07856	 		  	3/29/2007	 		  		 		  	

  

  
 Page 3 of 4 








 PATENT SCHEDULE 

TITLE:        ANTIFUNGAL AGENTS 
  

															
	 Country
	 	 Application No.
	  	 	 	 Filing Date
	  	 	 	 Patent No.
	  	 	 	 Issue Date

	 Argentina
	 	P090103123	  		 	8/12/2009	  		 		  		 	
	 Australia
	 	2009 282 474	  		 	8/7/2009	  		 		  		 	
	 Brazil
	 	PI0912074-2	  		 	8/7/2009	  		 		  		 	
	 Belize
	 	658.11	  		 	8/7/2009	  		 		  		 	
	 Canada
	 	2,731,941	  		 	8/7/2009	  		 		  		 	
	 Chile
	 	00292-2011	  		 	8/7/2009	  		 		  		 	
	 China
	 	200980140485.1	  		 	8/7/2009	  		 		  		 	
	 Columbia
	 	11-016262	  		 	8/7/2009	  		 		  		 	
	 Costa Rica
	 	2011-0075	  		 	8/7/2009	  		 		  		 	
	 Dominican Republic
	 	P2011-0053	  		 	8/7/2009	  		 		  		 	
	 Algeria
	 	110102	  		 	8/7/2009	  		 		  		 	
	 Eurasia
	 	201100350	  		 	8/7/2009	  		 	018337	  		 	7/30/2013
	 Ecuador
	 	SP-11-10817	  		 	8/7/2009	  		 		  		 	
	 Egypt
	 	PCT250/2011	  		 	8/7/2009	  		 		  		 	
	 Europe
	 	09806944.6	  		 	8/7/2009	  		 		  		 	
	 Europe
	 	09806945.3	  		 	8/7/2009	  		 		  		 	
	 Gulf Coast
	 	14100	  		 	8/11/2009	  		 		  		 	
	 Guatemala
	 	A2011-0039	  		 	8/7/2009	  		 		  		 	
	 Hong Kong
	 	11112674.5	  		 	8/7/2009	  		 		  		 	
	 Honduras
	 	2011-000404	  		 	8/7/2009	  		 		  		 	
	 Indonesia
	 	W00201100885	  		 	8/7/2009	  		 		  		 	
	 Israel
	 	210975	  		 	8/7/2009	  		 		  		 	
	 India
	 	410/KOLNP/2011	  		 	8/7/2009	  		 		  		 	
	 Japan
	 	2011-522975	  		 	8/7/2009	  		 		  		 	
	 Korea
	 	10-2011-7005837	  		 	8/7/2009	  		 		  		 	
	 Lebanon
	 	5470	  		 	8/5/2009	  		 	8724	  		 	8/6/2009
	 Morocco
	 	33691	  		 	8/7/2009	  		 		  		 	
	 Mexico
	 	11/001656	  		 	8/7/2009	  		 	306141	  		 	12/14/2012
	 Mexico
	 	12/014669	  		 	12/13/2012	  		 		  		 	
	 Malaysia
	 	PI2011000483	  		 	8/7/2009	  		 		  		 	
	 Nicaragua
	 	2011-0035	  		 	8/7/2009	  		 		  		 	
	 New Zealand
	 	590,914	  		 	8/7/2009	  		 	590,914	  		 	3/5/2012
	 Peru
	 	000156-2011/DIN	  		 	8/7/2009	  		 		  		 	
	 Philippines
	 	1-2011-500251	  		 	8/7/2009	  		 		  		 	
	 Pakistan
	 	744/2009	  		 	8/6/2009	  		 		  		 	
	 Russia
	 	201100350	  		 	8/7/2009	  		 	018337	  		 	7/30/2013
	 Singapore
	 	201100626-9	  		 	8/7/2009	  		 	168675	  		 	5/15/2013
	 El Salvador
	 	E-3839-2011	  		 	8/7/2009	  		 		  		 	
	 Thai land
	 	0901003562	  		 	8/5/2009	  		 		  		 	
	 Tunisia
	 	TN2011/0050	  		 	8/7/2009	  		 		  		 	
	 Taiwan
	 	098126822	  		 	8/10/2009	  		 		  		 	
	 Ukraine
	 	a201102860	  		 	8/7/2009	  		 		  		 	
	 United States
	 	12/461,318	  		 	8/7/2009	  		 	8,188,085	  		 	5/29/2012
	 Venezuela
	 	2009-001516	  		 	8/12/2009	  		 		  		 	
	 Vietnam
	 	1-2011-00467	  		 	8/7/2009	  		 		  		 	
	 WIPO
	 	PCT/US09/004557	  		 	8/7/2009	  		 		  		 	
	 WIPO
	 	PCT/US09/004560	  		 	8/7/2009	  		 		  		 	
	 South Africa
	 	2011/00788	  		 	8/7/2009	  		 	2011/00788	  		 	5/30/2012

  

  
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