provide that all inventions resulting from work performed for us or relating to our business and conceived or completed during the period of employment or assignment, as applicable, shall be our exclusive property. In addition, we take other appropriate precautions, such as physical and technological security measures, to guard against misappropriation of our proprietary information by third parties.
OMNI
As of June 30, 2021, we owned 19 issued U.S. patents, 32 issued patents outside the U.S. (which includes four issued European patents and their national validations), nine pending U.S. non-provisional patent applications, two pending U.S. provisional patent applications, and eight pending foreign patent applications in our OMNI surgical system portfolio. The issued patents include claims directed to devices and methods for canaloplasty and/or trabeculotomy, ocular implants, and related methods.
Subject to payment of required maintenance fees, annuities, and other charges, our issued U.S. patents in our OMNI surgical system portfolio have expiration dates between 2027 and 2037, with six of our issued U.S. patents having expiration dates before 2030, 12 having expiration dates between 2031 and 2035, and the remaining one expiring in 2037, in each case exclusive of possible patent term extensions. Of the 11 pending U.S. patent applications in our OMNI surgical system portfolio, one was filed in 2015, four were filed in 2019, three, including one U.S. provisional patent application, were filed in 2020, and three, including one U.S. provisional patent application, were filed in 2021. Our pending U.S. non-provisional patent applications, if issued, have expected expiration dates between 2026 and 2040, exclusive of any possible patent term adjustments or patent term extensions.
The foreign jurisdictions where we own issued patents in our OMNI surgical system portfolio include: Australia, China, France, Germany, Italy, Japan, Spain, Switzerland, and the United Kingdom. Subject to payment of required annuities and other charges, these foreign patents have expiration dates between 2027 and 2035. We have pending patent applications in our OMNI surgical system portfolio in Australia, Canada, China, Europe, Hong Kong, and Japan which, if issued, have expected expiration dates between 2032 and 2035.
TearCare
As of June 30, 2021, we owned eight issued U.S. patents, ten issued patents outside the U.S. (which includes one issued European patent and its national validations), seven pending U.S. non-provisional patent applications, six pending foreign patent applications, and one pending Patent Cooperation Treaty, or PCT, patent application in our TearCare portfolio. The issued patents include claims directed to the TearCare apparatus and methods of using the TearCare apparatus, components of the TearCare apparatus (including the SmartHub and SmartLids) and methods of their use, the TearCare apparatus in combination with an eyelid compression instrument and methods of their use, and methods of using the TearCare apparatus with patients wearing contact lenses.
Subject to payment of required maintenance fees, annuities, and other charges, our issued U.S. patents in our TearCare portfolio have expiration dates in 2032, in each case exclusive of possible patent term extensions. Of the seven pending U.S. non-provisional patent applications in our TearCare portfolio, one was filed in 2016, one was filed in 2018, one was filed in 2019, two were filed in 2020, and two were filed in 2021. Any patents issuing from these pending U.S. non-provisional patent applications would have expected expiration dates between 2032 and 2040, exclusive of any possible patent term adjustments or patent term extensions.
The foreign jurisdictions where we own issued patents in our TearCare portfolio include: China, France, Germany, Italy, Japan, Spain, and the United Kingdom, all of which will expire in 2032. We have additional pending patent applications in our TearCare portfolio in Brazil, China, Europe, and Japan which, if issued, have expected expiration dates between 2032 and 2039. Our pending PCT patent application is not eligible to become an issued patent unless and until, among other things, we file a national stage patent application within 30 months from the earliest priority date of the PCT patent application in the countries in which we seek patent protection.
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