The following are the events in related to Philippine law in 2016. This includes developments in criminal investigations of national notability.

Events Ferdinand Marcos wealth January 4 – The Sandiganbayan Special Second Division has finally ordered Alfonso Lim Sr., a crony of the late president Ferdinand Marcos, to return to the government all properties he acquired. April 20 – The Sandiganbayan Special Fourth Division has acquitted former Presidential Commission on Good Government (PCGG) chairman Camilo Sabio from graft and malversation of public funds cases, which stemmed from his alleged misuse of almost P12 million worth of recovered ill-gotten wealth of the Marcoses. June 14 – The two Cessna aircraft sequestered from the late Alfonso Lim, an alleged crony of the Marcos family, is sold by the Sandiganbayan at a measly amount of P140,000.

Jejomar Binay alleged corruption probe January 26 – The Senate Blue Ribbon subcommittee concludes its hearings on the corruption allegations against Vice President and UNA presidential candidate Jejomar Binay. February 19 – The Office of the Ombudsman files graft and documents falsification charges before the Sandiganbayan against former Makati City mayor Junjun Binay and 22 others over the alleged overpriced construction of the Makati City Hall Parking Building II. July 14 – The Office of the Ombudsman files graft, falsification and violation of the government procurement law charges against former Vice President Jejomar Binay in connection with the overpricing of the Makati City Hall Building II project.

Priority Development Assistance Fund scam

January 7 – The Sandiganbayan Fifth Division has denied the bail petition of Senator Jinggoy Estrada in connection with his alleged involvement in the PDAF scam. March 3 – The Office of the Ombudsman files charges against five former Representatives including former Muntinlupa congressman Ruffy Biazon, in connection with the PDAF scam. March 15 – Former Bukidnon Rep. Candido Pancrudo Jr. and five other individuals were charged with graft and malversation over their alleged involvement in the PDAF scam. April 6 – A group calling itself () filed a complaint for plunder against Senator Bongbong Marcos for his alleged involvement in the PDAF scam. April 12 – The Office of the Ombudsman has formally filed graft and malversation charges against former Oriental Mindoro Representative Rodolfo Valencia and 16 other individuals over their alleged involvement in the PDAF scam. April 13 – The Sandidganbayan Fifth Division grants the petitions for bail of former APEC party-list Representative Edgar Valdez, former Masbate Representative Rizalina Lanete and Janet Lim Napoles who were facing plunder charges in connection with the PDAF scam. April 14 – Former Davao del Sur Rep. Marc Douglas Cagas IV and former Energy Regulatory Commission (ERC) chairperson Zenaida Ducut, along with 23 other individuals, are charged with graft and malversation of public funds in connection with their alleged involvement in the PDAF scam. May 2 – The Office of the Ombudsman has formally filed criminal charges against former South Cotabato representative Arthur Pingoy Jr., former Energy Regulatory Commission chairman Zenaida Ducut and several other former government officials in connection with their alleged involvement in the pork barrel scam. July 12 – The Supreme Court upheld its decision granting a bail plea of former Senator Juan Ponce Enrile. July 13 The Office of the Ombudsman has ordered the filing of charges for graft and malversation against former Nueva Ecija fourth district Rep. Rodolfo Antonino for his alleged involvement in the pork barrel scam. Ombudsman Conchita Carpio Morales has ordered the filing of graft, malversation, and direct bribery charges against detained Davao del Sur governor Douglas Cagas Sr., for his involvement in the Priority Development Assistance Fund scam.

Mamasapano clash

February 5 – The Volunteers Against Crime and Corruption (VACC) files the usurpation case against former PNP Chief Alan Purisima due to usurping his role in his involvement in the Mamasapano clash. April 5 – The Office of the Ombudsman finds probable cause to file charges against former PNP chief Alan Purisima and former SAF director Getulio Napeñas for the Mamasapano operation that saw 44 SAF troopers killed, the biggest loss of the police in recent history.

2015 Iglesia ni Cristo leadership controversy

January 20 – Former Iglesia ni Cristo evangelical worker Lowell Menorca II is arrested by Manila Police District policemen in civil clothes without any warrant of arrest showed due to libel charges filed by SCAN International Lanao del Norte chapter while he trying to attend a hearing in Court of Appeals. The INC categorically denied the involvement in commotion between the policemen and Menorca. April 26 – The Court of Appeals has dismissed the writ of amparo petition for the protection of former Iglesia ni Cristo minister Lowell Menorca II and his family. June 17 – The Manila Metropolitan Trial Court (MTC) Branch 12, has ordered the two siblings of Iglesia ni Cristo executive minister Eduardo V. Manalo, expelled members Angel and Lottie, to vacant from a property of the religious sect in No. 36 Tandang Sora Street, Quezon City. July 19 – The Quezon City Regional Trial Court Branch 96 recovered five of the 16 vehicles registered under the name of Iglesia ni Cristo inside of its property at no. 36 Tandang Sora Avenue, Quezon City.

2016 Philippine election

February 3 – The COMELEC 1st Division denied all the disqualification cases against PDP–Laban presidential candidate Davao City Mayor Rodrigo Duterte. March 8 – Voted 9–6, the Supreme Court has affirms Grace Poe's natural-born status and declares she is qualified to run based on her 10-year residency. March 29 – The Commission on Elections has decided not to stop the broadcast of senatorial candidate Manny Pacquiao's boxing match on April 9. April 7 – Neil Llamanzares, the husband of presidential candidate and senator Grace Poe, formally renounces his American citizenship before a barangay chairman in San Juan City. Neil Llamanzares' American citizenship has been a subject of controversy among Grace Poe's critics. April 9 – The Supreme Court declares that their vote on Grace Poe's natural-born status and 10-year residency is final and executory and she is eligible to become president. April 17 – Presidential frontrunner Rodrigo Duterte causes controversy when a video of him making a joke about the rape of a murdered Australian missionary goes viral. April 27 – Voted 4–3, the COMELEC en banc has officially cancelled the voting on the selected malls scheduled on May 9. May 2 – Vice presidential candidate and senator Antonio Trillanes IV and attorney Sal Panelo, lawyer of presidential frontrunner and Davao City Mayor Rodrigo Duterte, visits the Bank of the Philippine Islands branch along Julia Vargas Avenue in Pasig, in a bid to settle the lawmaker's allegations of hidden wealth against the mayor. May 5 – A negative advertisement, paid by Antonio Trillanes IV, targeted presidential candidate Rodrigo Duterte using children was aired, causing dismay among netizens. A 72-hour TRO was issued by Regional Trial Court in Taguig City to stop any TV stations from airing the negative advertisement. May 31 – The Supreme Court dismisses the appeal of former MMDA chairman and senatorial candidate Francis Tolentino to stop the proclamation of Sherwin Gatchalian, Ralph Recto and Leila de Lima, the top 10, 11 and 12 senators in the 2016 Philippine Senate election respectively. June 7 – The Supreme Court dismisses the petition filed by attorney Elly Pamatong, a presidential candidate classified as nuisance that seeks to null and void the votes of President-elect Rodrigo Duterte and to stop his proclamation by the National Board of Canvassers. June 14 – The Supreme Court dismisses a petition that sought to stop the lease of 70,977 optical mark reader (OMR) machines for P6.286 billion that were used in the May 2016 elections. June 16 – The COMELEC en banc grants the Liberal Party's request and several similar petitions that they be allowed to file their statement of contributions and expenses (SOCE) beyond the June 8 deadline long before the May 9 elections. June 21 – The Commission on Elections en banc accepts the resignation of senior Commissioner Christian Robert Lim as head of the Campaign Finance Office (CFO), following the extension of the filing of their statements of contributions and expenditures. June 28 – The Supreme Court has dismissed a petition filed by retired Army Col. Justino Padiernos and attorney Manuelito Luna, questioning the Commission on Elections' decision to extend the filing of the statements of contributions and expenditures of candidates and political parties in the 2016 election. August 4 – The Parish Pastoral Council for Responsible Voting (PPCRV) paid a courtesy call to President Rodrigo Duterte. PPCRV National Chair Ambassador Henrietta de Villa called on President Duterte to end the corrupt practice of vote-buying and vote-selling during elections.

Implementation of Freedom of Information

July 23 – President Duterte signs his second executive order for the implementation of the Freedom of Information (FOI) in the Executive branch. July 27 – Executive Order No. 2, issued 23 July 2016, was published in the Manila Bulletin newspaper, marking the first day that all government offices under the Executive Branch to prepare its own People's FOI Manual and formulate its implementing details. July 28 – Symbolic turnover of the Freedom of Information Executive Order, E.O. No. 2, by Executive Secretary Medialdea to the members of the Right to Know Coalition, represented by Malou Mangahas. December 29 – Secretary Medialdea issues Memorandum Order No. 10, designating the Presidential Communications Operations Office as lead agency in the implementation of EO No. 2 and the FOI program in the Executive Branch.

NPA encounters

July 25 – President Duterte delivers his first State of the Nation Address (SONA). In this SONA, President Duterte declared the truce between the government and the NPA, lamenting the heavy and tragic cost of armed rebellion. July 27 – The NPA carried out an ambush on government militias in Kapalong, Davao del Norte. July 28 – President Duterte expressed his disappointment with the NPA who ambushed a Citizen Armed Force Geographical Unit (CAFGU) in Davao del Norte resulting to the death of the CAFGU member and wounding four others. July 29 – President Duterte spoke to members of the CAFGU during the wake of the slain CAFGU member held at the 60th Infantry Brigade headquarters in Asuncion, Davao del Norte. July 30 – President Duterte lifted the government's unilateral ceasefire with the NPA.

Compostela Valley encounters

August 4 – The Charlie Company 25IB figured in a 15-minute firefight against the New People's Army (NPA) at Km 56, Brgy. Rizal, Monkayo, Compostela Valley after they responded to the complaint of the community being intimidated and coerced by the NPA. August 5 – The pursuing troops of 25IB had a 45-minute skirmish in Brgy. Rizal against around 60 NPAs who were utilizing improvised explosive devices. On a separate incident in Brgy. Parasanon, Maragusan, the troops of 71st Infantry Battalion engaged in a firefight around 30 NPA belonging to Guerilla Front 27, Southern Mindanao Regional Committee at Purok 5 of the said barangay. August 6 – The Armed Forces of the Philippines’ Eastern Mindanao Command condemns “in the highest form” the deliberate use of land mine by the NPAs which is in violation of the International Humanitarian Law. August 7 – President Duterte issued an ultimatum against the NPA's use of land mines and demanded inclusion of the battlefield issue in the peace talks between the government and the NPA, or else the negotiations are off.

Oslo peace talks