The Contra Costa California Affidavit of Defendant Supporting Defendant's Motion to Strike Affidavit Filed in Support of Plaintiff's Motion for Summary Judgment is a legal document used in the state of California's Contra Costa County. This affidavit serves as a formal declaration by the defendant, providing detailed evidence and arguments in support of a motion to strike the opposing party's affidavit filed in support of their motion for summary judgment. In this particular case, there may be various types of Contra Costa California Affidavit of Defendant Supporting Defendant's Motion to Strike Affidavit Filed in Support of Plaintiff's Motion for Summary Judgment, depending on the specific arguments and evidence put forth by the defendant. Some possible types of affidavits that could be used include: 1. Affidavit challenging the authenticity of plaintiff's evidence: The defendant may argue that the affidavits submitted by the plaintiff are not reliable or authentic, presenting evidence or facts to dispute their credibility. 2. Affidavit challenging the admissibility of plaintiff's evidence: The defendant may argue that certain evidence provided by the plaintiff should be excluded from consideration in the motion for summary judgment, citing legal reasons or rules of evidence that render it inadmissible. 3. Affidavit challenging the sufficiency of plaintiff's evidence: The defendant may assert that the evidence presented by the plaintiff is insufficient to meet the legal requirements for summary judgment, providing reasons and supporting evidence as to why the motion should be struck down. 4. Affidavit challenging the credibility of plaintiff's evidence: The defendant may present evidence or arguments attacking the credibility or veracity of the plaintiff's evidence, seeking to discredit it and weaken the plaintiff's motion for summary judgment. These types of affidavits will typically involve detailed legal arguments, citations of relevant statutes and case law, and supporting evidence such as witness statements, documents, or expert opinions. It is crucial for the defendant to provide a comprehensive and compelling affidavit, as it will play a significant role in influencing the court's decision on whether to strike the plaintiff's affidavit filed in support of their motion for summary judgment.