POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that I, Peter Greenleaf, hereby constitute
and appoint Fred M. Powell, Peter J. Graham and Keith Muckenhirn, each of them,
my true and lawful attorneys-in-fact and agents, each acting alone, with full
powers of substitution and resubstitution for me and in my name, place and
stead, to sign any reports on Form 3 (Initial Statement of Beneficial
Ownership), Form 4 (Statement of Changes in Beneficial Ownership of Securities)
and  Form 5 (Annual Statement of Changes in Beneficial Ownership) relating to
transactions by me in Common Stock or other securities of Antares Pharma, Inc.,
and all amendments thereto, and to file the same with the Securities and
Exchange Commission and appropriate securities listing agency, if required,
granting unto said attorneys-in-fact and agents, and each of them, or their
substitutes, full power and authority to do and perform each and every act and
thing requisite or necessary to be done, as fully to all intents and purposes as
I might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents, and each of them, or their substitutes, may
lawfully do or cause to be done by virtue hereof. This Power of Attorney shall
be effective until such time as I deliver a written revocation thereof to my
above-named attorneys-in-fact and agents.

/s/ Peter Greenleaf
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Signed:


December 12, 2018
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Dated: