735 ILCS 5/13-114
2021 Illinois Compiled Statutes|Chapter 735 - CIVIL PROCEDURE|735 ILCS 5/ - Code of Civil Procedure.|Article XIII - Limitations

 (from Ch. 110, par. 13-114)Sec. 13-114. Seventy-five year limitation. No deed, will, estate, proof  of heirship, plat, affidavit  or other instrument or document, or any court proceeding, order or  judgment, or any agreement, written or unwritten, sealed or unsealed, or  any fact, event, or statement, or any part or copy of any of the  foregoing, relating to or affecting the title to real estate in the  State of Illinois, which happened, was administered, or was executed,  dated, delivered, recorded or entered into more than 75 years prior to  July 1, 1872, or such subsequent date as the same is  offered, presented, urged, claimed, asserted, or appears against any  person hereafter becoming interested in the title to any real estate, or  to any agent or attorney thereof, shall adversely to the party or  parties hereafter coming into possession of such real estate under claim  or color of title or persons claiming under him, her or them, constitute  notice, either actual or constructive of any right, title, interest  or claim in and to such real estate, or any part thereof, or be,  or be considered to be evidence or admissible in evidence or be held or  urged to make any title unmarketable in part or in whole, or be required  or allowed to be alleged or proved as a basis for any action, or any  statutory proceeding affecting directly or indirectly the title to such  real estate.The limitation of this Section, however, shall be deferred from and  after the expiration of such 75 year period for an additional period of  10 years, if a claim in writing in and to real estate therein  particularly described, incorporating the terms or substance of any such  deed, will, estate, proof of heirship, plat, affidavit, or other  instrument or document, or any court proceeding, order or judgment or  any agreement, written or unwritten, sealed or unsealed, or any fact,  event or statement, or any part or copy thereof in such claim, is filed  in the office of the recorder in the county or counties in  which such real estate is located:1. within 3 years prior to the expiration of such 75 year period;  or2. after the expiration of such 75 year period, by a minor or  a claimant under a legal disability who became under such disability during such 75  year period and within 2 years after the disability of such minor or  of the claimant a under legal disability has been removed; or3. after the expiration of such 75 year period, by a guardian of a  minor or person who was determined by a court to be under a legal disability   during such 75 year period and within 2 years after such guardian  has been appointed for such minor or person under a legal disability.The provisions of this Section shall not apply to or operate against  the United States of America or the State of Illinois or any other state  of the United States of America; or as to real estate held for a public  purpose by any municipality or other political subdivision of the State  of Illinois; or against any person under whom the party or parties in  possession during the period herein permitted for reassertion of title  claim by lease or other privity of contract; or against any person  who during the entire period herein permitted for reassertion of title,  or prior thereto, has not had the right to sue for and protect  his or her claim, interest or title.  (Source: P.A. 99-143, eff. 7-27-15.)