15. Commitments and Contingencies During the normal course of business, the Company becomes involved in various routine legal proceedings including issues pertaining to patent and trademark infringement, customer disputes, employee matters and acquisition-related post-closing disputes. The Company does not believe that the outcome of these matters will have a material adverse effect on its financial condition. The Company has entered into non-cancellable operating leases for the rental of office space in various locations which expire between 2015 and 2023. Some of the leases provide for lower payments in the beginning of the term which gradually escalate during the term of the lease. The Company recognizes rent expense on a straight-line basis over the lease term, which gives rise to a deferred rent liability on the balance sheet. The Company also has entered into agreements with third-party hosting facilities, which expire between 2016 and 2017. The Company is also obligated under several leases covering computer equipment and software, which the Company has classified as financed lease obligations. In March 2014, the Company signed a new lease for additional gross rental office space in Bangalore, India. In May 2014, the Company signed a new lease for additional gross rental office space in Dresden, Germany. In July 2014, the Company signed a lease addendum for additional gross rental office space in Abingdon, UK. In August 2014, the Company signed a new lease for additional gross rental office space in Waltham, MA., replacing the lease that expired in December 2014. In December 2014, the Company signed a lease addendum for additional gross rental office space in China and signed a lease addendum to reduce its gross rental office space in Montreal, Canada. All future minimum rental payments for these addendums have been included in the schedule below. Additionally, the Company has entered into several operating leases for various office equipment items, which expire between March 2015 and September 2018. As of